Frames and supports in 15th and 16th-century Southern Netherlandish painting

catalogue 486 4. Anonymous, Triptych of the Crucifixion . Closed: black; open: wings: biblical texts on black background, 1554 (dated on the inside of each wing) Inv. no. O.OTP0043.II Bibliography: Maertens 1939, 94, no. 29. Panels: the central panel is comprised of three boards, one of them narrow and backed with a modern slat; the wings of a single board (?). The central panel has been painted outside the frame. The biblical texts on the inside of the wings overpaint another composition. Frames: central frame rebated, side frames grooved. Slotted joints, cut square on the outside and mitred at the front on the central frame and at the bottom of the wings. Cut square at the top of the wings. The central frame and those of the wings are of the same thickness. The joints of the central frame are reinforced with two pegs, those of the wings with a single peg. Holes in the sides of the wings witness to a peg-and- hole closing system.