Crucifixion Diptych (van der Weyden) The painting's provenance prior to the mid-19th century is unknown. Its extreme starkness has led art historians to theorize that it was created as a devotional work, possibly for a Carthusian monastery. It is not known if the panels comprised a self-contained diptych, two-thirds of a triptych, or originally were a single panel. Some art historians have mentioned that the work seems unbalanced overall and lacking symmetry (which might indicate a missing panel or panels). Recent scholarship proposes that the panels functioned as the outer shutters of a carved altarpiece. The background to the panels is unknown. Scholars have theorized
San Luca Altarpiece the figures and the "azzurro Todesco" (a blue pigment derived from copper) with which to inlay them. The work was completed within that or the following year. The polyptych is located in Pinacoteca di Brera, Milan. San Luca Altarpiece The San Lucas Altarpiece, also known as the San Lucas Polyptych, is a polyptych panel painting by Northern Italian Renaissance painter Andrea Mantegna. The altarpiece is a polyptych panel painting featuring 12 figures each in his or her own arch. The seven figures in the top row flank the central figure of Jesus Christ. The five beneath flank Saint Luke. On