Triumphal Altar with Stages in the Life of Christ
sheet (joined): 62.5 x 21.6 cm (24 5/8 x 8 1/2 in.)  sheet (top): 32 x 17.3 cm (12 5/8 x 6 13/16 in.)  sheet (bottom): 30.7 x 21.6 cm (12 1/16 x 8 1/2 in.)