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
Santa Maria dei Fossi Altarpiece Santa Maria dei Fossi Altarpiece The Santa Maria dei Fossi Altarpiece is a 1496-1498 painting by Pinturicchio, now in the Galleria nazionale dell'Umbria in Perugia. Unusually for an altarpiece, it is painted on canvas stretched over wooden panels. It was commissioned for the high altar of the church of Santa Maria degli Angeli in Perugia, also known as Santa Maria dei Fossi. The contract for the work is dated 14 February 1496 and contains detailed instructions for its production and for its wooden frame by Mattia di Tommaso da Reggio, which imitated the architecture of the church's facade. The painter