Francesco Guardi

Adoration of the Shepherds (recto); Three Sketches: Buildings by Canal with Boats, Landscape with Buldings on Hillside, Buildings with Portico (verso)

c. 1770

Pen and brown ink and brush and pale brown wash, with traces of black chalk (recto), and pen and brown ink with brush and black and gray and brown wash and touches of red chalk (verso), on gray laid paper

37.8 × 51.8 cm (14.9 × 20.4 in)