This painting is part of the group: The Dal Ponte Polyptych
A fragment from the same altarpiece as 'Saints Nicholas of Tolentino and John the Baptist', also in the Collection. The chief compartment of the altarpiece was occupied by Saint Andrew. Here, Peter Martyr holds a martyr's palm, while in his head is the hatchet with which heretics assassinated him.
Other paintings in this group: The Dal Ponte Polyptych
The National Gallery, Trafalgar Square, London WC2N 5DN