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Three panels in different museums were identified as parts of an altarpiece commissioned for the Order of Saint John in Jerusalem at Grünen Wörth, in Strasbourg. The left wing depicts St Anne with the Christ Child, the Virgin, and St John the Baptist (National Gallery of Art, Washington), the central panel shows the Mass of St Gregory (Museum of Art, Cleveland), and the right wing represents St John on Patmos (Metropolitan Museum of Art, New York).
The two Johns in the altarpiece are positioned at the extreme left and right edges of the panels, each witnessing a vision, of the Anna Selbdritt (Virgin and Child with St Anne) on the left wing, and of the Virgin of the Apocalypse on the right.
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