1495-1501 Oak, 107 x 80 cm (each wing) Wallraf-Richartz Museum, Cologne These are early examples of grisaille painting in Cologne. The altarpiece was donated by Dr Peter Rinck for the rood screen of the Carthusian church of St Barbara between 1495 and 1501.Artist:MASTER of the St. Bartholomew Altar Title: Crucifixion Altarpiece (exterior of the wings) Painted in 1451-1500 , German - - painting : religious