Drawing, Design for the decoration of the façade of St. Peter's, Rome, for the Canonization of Giuseppe da Capertino and Jeanne-Françoise de Chantal, July 16, 1767 (CH 18114757)

Crest: a curved architectural frieze with six princely escutcheons. Above the coat of arms of Pope Clement XIII (1758-69) supported by angels; rays emanate from it. In background, a curtain which a flying angel is lifting. Squaring indicates its execution in painting. On verso: three construction lines, in graphite.