43. Triptych of the Crucifixion with scenes from the life of St Catherine of Alexandria, by Jan Provoost. c.1505-10. L to r: a. The disputation of St Catherine of Alexandria. Panel, 105.2 by 70.3 cm. (Museum Boijmans Van Beuningen, Rotterdam); b. Crucifixion. Panel, 117 by 172.5 cm. (Groeningemuseum, Bruges); c. The beheading of St. Catherine of Alexandria. Panel, 95.2 by 70.2 cm. (Koninklijk Museum voor Schone Kunsten, Antwerp). The areas in grey indicated how the wings were cropped.