Fra Angelico - Predella of the St Peter Martyr Altarpiece (detail) - WGA00618. Free illustration for personal and commercial use. about 2 years 0 Fra Angelico - St Peter Martyr Altarpiece (detail) - WGA00616. Free illustration for personal and commercial use. about 2 years 0 Fra Angelico - Predella of the St Peter Martyr Altarpiece (detail) - WGA00617. Free illustration for personal and commercial use. about 2 years 1 Angelico, pala di san pier maggiore, 1425 ca.. Free illustration for personal and commercial use. about 2 years 0