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Caseiokey

@caseiokey.bsky.social
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For your questions on riddles of #HieronymusBosch #latemedieval #earlyrenaissance #art #symbolism . Images can be enhanced for visibility. DAILY SERVICE NOT ALWAYS POSSIBLE

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The Dad Without Life Insurance @lhommedauphin.bsky.social · 22/09/2026
you work an excellent account. thanks for all your posts
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Caseiokey @caseiokey.bsky.social · 19/09/2026
For those interested in seeing an authentic Hieronymus Bosch: go for his drawings! Rather recently discovered is INFERNAL LANDSCAPE (25.9x19.7cm Private Collection, n/a). With well-known elements as the human clappers, and new inventions like a dragon vomiting human bodies or a helmeted bird skull…
I agree wholly with the BCRP that this is a pure Bosch work.
It shows his way of fast AND detailed sketching. He uses pretty much the same for making underdrawing of paintings.

(This version of the drawing is taken from the ultraviolet fluorescence imagery, slightly enhanced for better contrast.)
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Caseiokey @caseiokey.bsky.social · 17/09/2026
I am glad that on Lucas van Leyden‘s Last Judgment (1526, at the Lakenhal museum, Leiden) at least some demons CHECK the lists before burning poor souls. (Own photo). On the Bosch’ Afterlife (inset, ~1500), a different demon is just absorbed READING a book… but which? At the Prado museum, Madrid.
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Caseiokey @caseiokey.bsky.social · 15/09/2026
Every artist paints self-portraits. Which are Bosch's? I prefer these four! And there are a few others possible.
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Museo del Prado @museodelprado.es · 04/08/2025
10-Minute Challenge: Bosch’s ‘Garden of Earthly Delights’ www.nytimes.com/interactive/...
nytimes.com
10-Minute Challenge: Bosch’s ‘Garden of Earthly Delights’
We’d like you to look at one piece of art for 10 minutes, uninterrupted.
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Caseiokey @caseiokey.bsky.social · 12/09/2026
Prof.Dr.Vandenbroeck’s explanation of Bosch’ Garden as a medieval Grail is attractive: *allusions of an earthly & heavenly paradise *where the souls live until the Last Judgment *in a mixed state of paradise and sin. Physical desires, esp. sexual ones, are effortlessly fulfilled.
(Detail of the Garden of Earthly Delights - Hieronymus Bosch.
Ca.1500AD. At the Prado museum, Madrid.
Source of the condensed text:
After Paul Vandenbroeck’s scientific contribution in the KMSK Antwerp Yearbook 1990, p.138)
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Eric Klug @klugalters.bsky.social · 17/08/2026
Damnation hand painted after Hieronymus Bosch's 'The Garden of Earthly Delights'.
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Caseiokey @caseiokey.bsky.social · 06/08/2026
It’s possible that on Bosch paintings in or under clouds or black paint objects or figures are hidden.
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Caseiokey @caseiokey.bsky.social · 30/07/2026
To enhance a mysterious atmosphere, painter Bosch added magic, witchcraft & divination elements to his works, including: birth defects hybrids toads horse skulls a Ray fish mummy herbs eggs flying people palm reading astrology dreaming dice throwing bird flight secret languages.
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Caseiokey @caseiokey.bsky.social · 29/07/2026
MAN ON LIFE’S PILGRIMAGE The staff symbolizes the faith that ‘offers humanity a foothold so as not to stray from the right path’ and serves as weapon against evil. Man must follow his path and carry his burden, just as Christ drags His sorrowful burden… <After Dr.Koldeweij 2001
(Outside panels of the triptych 
The Haywain - 
Hieronymus Bosch >=1510.
At the Prado museum, Madrid.)
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Caseiokey @caseiokey.bsky.social · 14/07/2026
1. ODYSSEUS AND THE CYCLOPS 2. ODYSSEUS ON ITHACA WITH PENELOPE’S SUITORS Alabaster cinerary urns, Volterra. From underground family tombs. The lid shows the body of the deceased, emphasizing facial features, at a banquet. Now at the Rijksmuseum voor Oudheden, Leiden. Own photos, 12 July 2026.
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Caseiokey @caseiokey.bsky.social · 11/07/2026
WHY IS A ROOSTER one of the Arma Christi, Passion items? The trifold COCK-CROW indicated Peter’s Denial of Christ after his arrest, as described by all apostles. Master Gerard van Honthorst made it part of a bar genre painting in which soldiers were playing cards… Which gave him room for 2 candles!
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Caseiokey @caseiokey.bsky.social · 06/07/2026
TOP RIGHT, Hieronymus Bosch’ Calvary with Donor (~1490-1500) has the donor with striking STRIPED PANTS. They are not fantasy- similar pants can be found at other contemporary paintings, all at the Rijksmuseum Amsterdam (1500; 1520). The Bosch is at the Royal Museums of Fine Arts of Belgium/Brussels
It seems that striped pants were worn by high ranking figures, even rulers. One of the paintings is the Tree of Jesse.
It certainly makes a dazzling sight!
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Caseiokey @caseiokey.bsky.social · 05/07/2026
Last week I visited Den Bosch and Amsterdam. Lots of new Bosch and late medieval material. 1,2 Market square and St.John cathedral, Den Bosch 3 Jheronimus Bosch Art Center, Den Bosch 4,5 Bosch experience and Rijksmuseum, Amsterdam. See ALTs
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Caseiokey @caseiokey.bsky.social · 31/05/2026
@boschbot.bsky.social The images of a person with his hat in the hand or nearby, are painter Bosch’s wordplay in Dutch with <hoed> = hat, and <op zijn hoede> = on his guard. Ancient Netherlandish expression: Good guard chases away accident. 1549. Source: Harrebomée vol.1 p.309.
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Caseiokey @caseiokey.bsky.social · 25/05/2026
THE TEMPTATION OF ST.ANTHONY can be found also at the Prado, in a quite different version. The museum attributes it to Bosch 1510-15, on several characteristics. The Bosch Conservation and Research Project was not yet given permission to document or examine the painting in situ.
Photo source:
museodelprado.es
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Caseiokey @caseiokey.bsky.social · 24/05/2026
THE GENERAL MEANING of Bosch’s work The Temptation of St.Anthony of 1500 is simple. Acc. to pop.legends, Satan was envious of the recluse. He tried to break him in various ways. Like apparitions in the air, including war scenes. Often the ways of Satan are specifically directed at Anthony’s person.
How the flying demonic war “ships” specifically relate to Anthony, is a subject for further study.
Anyway, they are quite frightening.

The other war scenes may have been inspired by actual skirmishes (Dutch word “schermutselingen”!) and battles that happened in Bosch’s time.
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Caseiokey @caseiokey.bsky.social · 20/05/2026
“The punishments for the seven deadly sins in hell”, a Seelenwurzgarten woodcut (Ulm 1482) is here compared with Hieronymus Bosch’s Afterlife (“Hell”) of ~1500. 2nd collage to see! I have put the names of the PRESUMABLE sins next to the appropriate scene, and placed the scenes on the Bosch painting
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Caseiokey @caseiokey.bsky.social · 11/04/2026
There’s no doubt in my mind that this is St.Peter in a red robe at the Gate leading to Heaven. It’s one of the arguments that this wing of Bosch’ Garden triptych should NOT be named “Hell” but rather <Afterlife> or <Hereafter>, in my opinion! 2nd collage: Compare Memling detail; and a fresco
Detail of the Garden triptych by Bosch.LEFT: detail, Hans Memling, ca. 1467-71.

RIGHT: detail fresco Saint-Pierre-ès-Liens à Martignac, end 15c.
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Caseiokey @caseiokey.bsky.social · 05/04/2026
On Bosch’s Garden, a CIRCUIT OF YOUNG MEN on mounts combines ideas *The merry-go-round goes in the wrong left direction: counter clockwise, diabolic * Men don’t steer their wild reinless animals but are driven. On another work, he painted recluse Hieronymus subjecting a unicorn i.e.regulating drift
(The Garden triptych is at the Prado museum.
The Hermit Saints Triptych is at the Gallerie dell’Accademia, Venice.
Both ca.1500AD.)
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Caseiokey @caseiokey.bsky.social · 03/04/2026
THIS HOLY WEEK/5 On Friday, acc. to Christian tradition, after his condemnation by Pontius Pilate, Jesus was led along the Via Dolorosa to the place of execution Golgotha. Here on works by Hieronymus Bosch ~1500. L: Christ Carrying the Cross (Escorial, Madrid) R: Christ Carrying the Cross (KHM,Wien)
About the Escorial version:
Patiently Christ undergoes the scourging doled out by the executioner behind him and bears the nail blocks that hamper and cut his feet. Simon of Cyrene, the man in white behind him, tries to alleviate his suffering, as described in the Bible. In the background, the disciple John, wearing red, comforts Mary.

About the KHM version:
In the foreground are the two murderers who were executed with Jesus—the one repented before dying; the other did not.
<BCRP

See also my coming postings.
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Caseiokey @caseiokey.bsky.social · 02/04/2026
THIS HOLY WEEK/4 climaxing with the commemoration of the Last Supper on Maundy Thursday(Holy Thursday). No Hieronymus Bosch painting of this scene is known. But on the collage are quite some semi-hidden, mostly Passion related Christian symbology details from Prado’s Love Garden panel. See ALT>
On the collage, starting from TOP L., and then from left to right:
*Griffin(s),which combine an earth being with an air being, like Christ.
*Glorious entry of Jerusalem by Christ on a donkey
*Blood coral: linked to His blood
*Butterfly: caterpillar turns butterfly, symbol of resurrection 
*Goldfinch: legend that it’s red head came from it picking bloodied thorns from the Crown of Thorns.
*Egg: symbol of resurrection 
*Doubting Thomas (gesture): as mentioned in the Bible
*(Big) Fish: Revered Ichthus as symbol for Jesus
*Unicorn(s): Symbol of, among others, Christ, the church, chastity, purity, solitude
*Biblical Figures in sepulcher: refers to one of Christ’s alleged first deeds after His death: the harrowing of hell, i.e. the saving of the souls of the righteous (freeing of the Church Fathers).
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Caseiokey @caseiokey.bsky.social · 18/03/2026
NOT OFTEN SEEN is Bosch Studio’s right wing of Last Judgment/Wien ~1500. People find such panels overwhelming by the many details. The trick is: pick a scene & name what is there. See image at right. On a giant helmet sits a woman/demon(?) Her owl means stupidity & evil. A lizard is cooking a soul-
The triptych is at the KHM museum in Vienna.)
Here part of the right wing.
See next illustration for a scene in detail.A scene’s details, on the right panel of the work.
All images are enhanced for better visibility.
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Caseiokey @caseiokey.bsky.social · 15/03/2026
NOT OFTEN SEEN are images that @boschbot cannot post because there are no suitable high-res files available. For instance from the right panel of the Last Judgement/Vienna ~1500. And that panel has much intriguing imagery, like this poor soul, surrounded by 5 sharp-beaked birds!
Image enhanced for better visibility.
The triptych is at the KHM museum in Wien.
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Caseiokey @caseiokey.bsky.social · 08/03/2026
THE DIABOLIC BARN OWL on Bosch Garden triptych, with unnatural horn-like ears was associated w. nocturnal demons. Dirc v. Delf 1404 compares Asmodeus, the devil of unchastity, to a barn owl: “This is the devil of unchastity, who settles in sleeping rooms and wanders about-“ After Dr. De Bruyn 2023
DO notice one of the trio persons under the transparant semi-bubble looking rather flabbergasted in the direction of the Owl?! 🦉
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Caseiokey @caseiokey.bsky.social · 02/03/2026
ANIMAL TROTTER (Bosch’s Anthony work) is part of metaphors linking wine & food (Gluttony) to licentious merrymaking & love-making (Lust: luring Devil-Queen). On Bosch’ depictions such tables looks scarce but it’s just the idea of a banquet. Depending on its thickness a trotter could hint at poverty.
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Caseiokey @caseiokey.bsky.social · 27/02/2026
MONSTERS IN THE DARK On the outside panel of painter Bosch’s St.John on Patmos of ca.1500AD are some 30 more or less overpainted scenes. I selected some monsters, and enhanced and sometimes colored the images for you. The artwork is at the Gemäldegalerie Berlin.
The hidden scenes are in the dark region.Top images are enhanced for visibility.

Bottom images are in fantasy colors by me.
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Caseiokey @caseiokey.bsky.social · 06/02/2026
Bosch’s “Hell” wing has many hidden Passion Items: 13. THE TORCH was like the Lantern (post #1), carried in the night mob that came to arrest Jesus at the Mount of Olives. Bosch again hides the article here. He placed it in the hands of a demon which accompanies a soul on Tree-Man’s head cover.
At LEFT: The Torch on the Afterlife panel of Bosch’s Garden triptych of 1500AD. At the Prado museum.
At RIGHT: more torches in Passion scenes by Bosch. Notice that even on grisaille paintings, the torch is colored!

NB, the Torch itself and the Lantern are not mentioned in the biblical verses.Passion torches by other artists.
All Arma Christi works or similar.
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Caseiokey @caseiokey.bsky.social · 02/02/2026
A KILLER/FIGHTING HARE was depicted in marginalia, specif. drolleries, funny side illustrations of manuscripts. A Dutch expression describes the Upside Down World: “The hunters catch the hares, and the hares catch the hunters.” Undated, Harrebomée v1 Bosch used a very similar image, see far right.
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Caseiokey @caseiokey.bsky.social · 23/01/2026
Ik vind deze campagne erg belangrijk - doe je ook mee? actie.degoedezaak.org/petitions/st...
actie.degoedezaak.org
Stop de Amerikaanse overname DigiD!
Onze privé-gegevens zijn bij overname door een Amerikaans bedrijf niet veilig! Dit lijkt ons niet de veilige manier nu president Trump in Amerika aan het roer staat. Dit kan misgaan! Als de Nederland...
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Caseiokey @caseiokey.bsky.social · 08/01/2026
Since Pride is greatest of capital sins, then Humility is the greatest virtue. Painter Hieronymus Bosch seems to have painted himself as a rather poor, laughable, wounded figure. He cannot move his legs, he has turned partly into dry wood. His egg shell torso holds a Bad Inn, w.lowly bagpipes music
Part of the Afterlife panel of the triptych Garden of Earthly Delights of ca.1500AD. At the Prado museum in Madrid. #NetherlandishArt
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Caseiokey @caseiokey.bsky.social · 07/01/2026
Although Hieronymus Bosch restrained himself, Love Garden can be seen as a Cockaigne of "sinful life”. Its likely donor Engelbrecht is known to have led a more than debauched life. In the <Golden Fleece> he was blamed 3X for his dissolute lifestyle. He was one of the first to die of syphilis…
Part of the central panel of the triptych The Garden of Earthly Delights by Hieronymus Bosch circa 1500AD. At the Prado museum, Madrid. #NetherlandishArt
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Caseiokey @caseiokey.bsky.social · 04/01/2026
WHY DOES HE CARRY A LADDER? Presumably the "bird" (=guy) secretly goes to the Bad Inn brothel. After: “He comes like a thief in the night." Biblical expression 1 Thessalonians 5:2; also 2 Peter 3:10. (Part of the Anthony work -Hieronymus Bosch ~1500AD At the MNAA museum, Lisbon)
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Caseiokey @caseiokey.bsky.social · 30/12/2025
Typical AMBIGUOUS SCENE by late medieval/early Renaissance Hieronymus Bosch: a peaceful farm where people don’t notice what’s going on at the Anthony chapel- Except possibly a man who was collecting acorns on an Oak tree, when he saw the fire 🔥 and climbed up higher to see better what is happening.
Part of the central panel of the Saint Anthony triptych by Hieronymus Bosch.
Circa 1500AD. At the MNAA Museum, Lisbon.
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Caseiokey @caseiokey.bsky.social · 29/12/2025
RED FRUIT Dr. De Bruyn: In Bosch art, hollow fruit skins never mean much good. According to Bax it’s Mandrake. I added a copy from Brussels beneath the Lisbon original, and a part of John Baptist from Museo Lázaro Galdiano. Mandragora was used as anaestetic, and linked to fertility. /+ALT FOR MORE
Mandrake was advised to soothe heavy fever (~1270) and the pain of St.Anthony’s fire (1527), in Antonite monasteries.
It could induce ‘madness’ (1554). With its relevance for fertility, it also had an ‘erotic’ reputation, Genesis. 30:14-24; Song of Songs 7:13, Figuratively.
Here with Bosch it may link to love. Mandrake is still known as the “love apple”. Even linking to Eve and Adam.
And finally, mandrake is mentioned as one of the ingredients for flying ointment for witches.
Ref.De Bruyn 2023 p.193-194.
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Caseiokey @caseiokey.bsky.social · 26/12/2025
@lauriestrings.bsky.social Best wishes for a very good year!
Graphic artist M.C. Escher
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Evelyne Verheggen @evelyneverheggen.bsky.social · 23/12/2025
Hé @rijksmuseum.bsky.social wat is dat nou 😳 Waarom ontbreken de schilderijen (#devotieprenten) aan de muur in het poppenhuis van Petronella Dunois uit ca. 1675 op de tentoonstelling “Thuis in de 17de eeuw”???
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Caseiokey @caseiokey.bsky.social · 16/12/2025
SAINT HIERONYMUS (JEROME) was painter Bosch’s name-giver. *At LEFT as painted by Hieronymus Bosch himself. At the MSK Ghent. *At RIGHT as part of a triptych by the Bosch Studio. At the MSK Ghent/Groeningemuseum. Notice the similar somewhat hidden animal skulls. ~1500AD.
The studio triptych contains quite some details known from other works by Bosch.
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Caseiokey @caseiokey.bsky.social · 15/12/2025
The INFERNAL LANDSCAPE drawing by Hieronymus Bosch was only recently authenticated as an autograph Bosch work in 2014, by the BRCP. A juggernaut monster swallows souls drawn in with a net by the wheel in its trap. With boschian elements s.a. human clappers, feet in jugs, huge knife, giant lamp.
Ca.1500AD. In private collection.
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Caseiokey @caseiokey.bsky.social · 06/12/2025
The 4 giants of Bosch/Studio’s Last Judgment/Wien are underexposed. Fischer [edited -C] *a green one spits fire *a point-hatted, potbellied’s dots may allude to disease *one w. a blue sheet [helmet] is pierced *at left a black-faced one devours [reptiles!]. In any case it's mostly about eating.
Ca.1500AD. At the KHM Vienna.
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Caseiokey @caseiokey.bsky.social · 03/12/2025
WHY WAS BOSCH’S GARDEN WORK MADE? Ideas: *For a church *For a wedding *As moral mirror for princes. All true: *It has a religious triptych’s form- but wouldn’t be appropriate *it fits in with Henry III’s 1503 wedding *puzzling & daring details give it away as CONVERSATION PIECE.
The Garden of Earthly Delights -Hieronymus Bosch ca.1500AD.
At the Prado museum, Madrid. #NetherlandishArt
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Caseiokey @caseiokey.bsky.social · 02/12/2025
PARALLELS IN ART: *A swine hunted, in Les très riches heures du Duc de Berry/ December month. By the Limburg bros. ~1410-15. At Musée Condé, Chantilly France. *A sinner hunted, on the Afterlife (“Hell”) panel of Hieronymus Bosch’s Garden triptych, ~1500AD. At the Prado museum, Madrid.
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Caseiokey @caseiokey.bsky.social · 26/11/2025
Dr.L.Scholten (2024) discusses the work shop(s) of the Van Akens including Bosch. A strong argument for B having an own studio is that Markt 61 of Bosch’s wife is much larger than the family house/shop Markt 29: it has almost 6x more space! Even without proof, it could easily harbor Bosch’s studio!
Digital reconstructions of Markt 61 (in the background) and Markt 29 (at front).
Illustration by Ronald Glaudemans, Erfgoed ‘s-Hertogenbosch, from the book “Jheronimus Bosch en de Lieve-Vrouwe-broederschapskapel” by Dr.L.Scholten, 2024.
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Caseiokey @caseiokey.bsky.social · 23/11/2025
Ancient Netherlandish expression: “Owls breed Owls” 1561-1656. A.o. in Cats 1618-32. This would hint likely at Stupidity, although Evil is mostly behind sins. (Details from the Garden triptych by Hieronymus Bosch.)
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Caseiokey @caseiokey.bsky.social · 22/11/2025
In search for scenes fit for Purgatory/Hell on the Last Judgement/Wien of ~1500, Bosch Studio may have encountered a 1496 woodcut by Dürer. Compare how in the background prisoners are being thrown down against rocks and THORNY BUSHES. Dürer painted an other version in 1508.
The woodcut is about the 10,000 martyrs, a popular subject at that time.

Bosch & Studio’s Last Judgment is in the KHM museum in Vienna.
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Caseiokey @caseiokey.bsky.social · 21/11/2025
VERONICA’S LEGEND started ~13c: During His carrying of the cross, Veronica gave Christ a sweat cloth. The depiction of His face impression became popular. Hieronymus Bosch & Studio painted it several times. Bosch Followers used it too. “Veronica” is explained as <vera icon> = the real depiction.
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Caseiokey @caseiokey.bsky.social · 18/11/2025
WILD MAN & WOMAN initially represent everything uncivilized (-). From end 14c a new image of these hairy creatures emerges: *Their purity & ignorance are idealized. *They don't know God, so they cannot sin. (After: Body Language-Museum Catharijneconvent.) Bosch painted 1 or 2, here on Garden work.
Detail of the Garden triptych- Hieronymus Bosch. Ca.1500AD. At the Prado museum.
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Caseiokey @caseiokey.bsky.social · 16/11/2025
WHAT ABOUT THE SINGING FIGURE on Bosch’s Anthony work? *It always makes me think that it’s caught in a Duck trap. At bottom some traps & baskets in trad. designs in Brabant’s wet Biesbosch region. *A wilder idea I had, is that it hints at a famous contemporary Utrecht female hermit/songwriter.
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Caseiokey @caseiokey.bsky.social · 11/11/2025
BOSCH’S VISIONS OF THE HEREAFTER~1500 are 4 panels of a further lost polyptych, likely a Last Judgment. The heavenly assumption of redeemed is linked to literature about cleansing spheres of souls. Here part of the panel + the tunnel center underpainting. Imo it shows also a Near Death Experience
At the Museo di Palazzo Grimani, Venice.
The IR-Image has been enhanced for better contrast.
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Caseiokey @caseiokey.bsky.social · 10/11/2025
TREE-MEN & OTHERS WITH BRANCHES can be found several times in Hieronymus Bosch’ oeuvre of ca.1500AD. *They are all demonic *16c Rhetoricians called sinners “barren trees” and “withered branches” *it has a link to biblical passages like Luke 23:31 etc.
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