St Peter and St John - San Marco, Florence

1441 to 1442

Detail of crucifixion scene in the cell reserved for Cosimo de' Medici that consists of images of St John , St Peter , the Virgin Mary , and St Cosmas at the foot of the cross.

This fresco at San Marco in Florence is the work of one of Fra Angelico's assistants Benozzo Gozzoli . The ground colour is lapis lazuli an expensive pigment that was not used in any of the other frescos due to the Rule of Poverty.