The Immaculate Conception with God the Father and Angels1739 · black and white chalks on gray-green laid papersheet: 47.8 × 40.9 cm (18 13/16 × 16 1/8 in.) (irregular)National Gallery of Art
Allegorical Figure with Arms of Alexander VIII (Ottoboni) and Arms of Papacy1699 · Pen and brown ink and brush and brown wash, heightened with lead white (partly discolored), on ivory laid paper, laid down on ivory laid paper33.1 × 24.8 cm (13 1/16 × 9 13/16 in.)Art Institute of Chicago