Virgin Mary with a child, little John the Baptist and an angel

This undated panel in the National Gallery Prague — Virgin Mary with a child, little John the Baptist and an angel — represents Procaccini's devotional group subject in a format likely created for private devotion. Prague's National Gallery holds a substantial body of Italian Baroque painting accumulated through the Habsburgs, who ruled Bohemia and patronised Italian art extensively in the late sixteenth and seventeenth centuries. The subject brings together the three figures most central to Catholic devotional life — Mary, Christ, and John — with the angel serving as celestial guarantor of the gathering's sacred character. Procaccini's multiple treatments of this theme, each with slightly different configurations, suggest it was among his most commercially valued subjects, requested by clients who wanted a recognisable Procaccini variant of the standard devotional formula.

Panel support in Procaccini's undated works tends toward a higher degree of finish than his canvas pieces, with delicate glazing in flesh tones and careful rendering of the children's features. The composition likely groups the figures in a tight triangle or oval, a shape that implies harmony and enclosure. The angel functions both spatially — completing the group — and symbolically.