Crucifixion Diptych (van der Weyden) that they could be the left and center panels of a triptych, that they formed either the wings or shutters of an altarpiece, or that they were intended to decorate an organ case. The train of the Virgin's robe continues onto the right panel, which evidences that the panels were intended to lay side-by-side rather than separated (as the wings of an altarpiece would have been). Art historian E. P. Richardson proposed that they were the center panel of the lost Cambrai altarpiece (executed between 1455 and 1459), a single painting now split into two parts. Art historian Penny Howell
Altarpiece of Saint Barbara Altarpiece of Saint Barbara The Altarpiece of Saint Barbara is a painting by Gonçal Peris conserved at the National Art Museum of Catalonia. The altarpiece features the image of Saint Barbara as the central figure. She holds in her right hand a palm frond, symbolizing martyrdom. Her left hand holds a tower, central to the story of her imprisonment. Above this center image is a scene of Calvary, depicting Christ with his mother and his disciple John. The walled background is representative of the walls of Jerusalem. Four panels in the side compartments depict eight scenes of the saint's life