Gruenwald Altar

This famous crucifixion shows Mary Magdalene as a co-sufferer with Christ, collapsing in a swoon, and John the Baptist as a dispassionate interpreter, pointing his finger to identify the sacrificed Lamb of God on the cross.

(source: http://www.msa.mmu.ac.uk/continuity/wp-content/uploads/2008/02/crucifixion1.jpg)