St Roch in front of the Fraternita dei Laici in Arezzo

Bartolomeo della Gatta's Saint Roch in front of the Fraternita dei Laici in Arezzo from 1479 is a work of exceptional documentary and artistic interest: it depicts the plague saint Roch standing before an identifiable Aretine building — the Fraternita dei Laici, the lay confraternity that commissioned the painting — which makes it simultaneously a devotional image and one of the earliest Italian vedute combining a patron institution's actual building with a holy figure. Roch was invoked against plague and his cult expanded dramatically following the 1478 plague outbreak in northern Italy. The placement of the identifiable Aretine architecture behind the saint gives local specificity to a universal devotion — this is not just Saint Roch but Saint Roch protecting specifically these citizens of Arezzo in their distinctive civic space.

The architectural rendering of the Fraternita dei Laici facade is executed with topographic specificity: the loggia arches, the decorative elements, and the building's proportions correspond to the identifiable structure in Arezzo. Roch himself displays his leg wound — the plague bubo on his thigh — while gesturing toward the viewer in an intercessory address. The painting's dual function as devotional image and architectural record required Bartolomeo della Gatta to manage two very different pictorial registers within a single composition.