18th century
Image: 14.1 × 10 cm (5 9/16 × 3 15/16 in.) Plate: 15 × 11 cm (5 7/8 × 4 5/16 in.) Sheet: 19 × 14 cm (7 1/2 × 5 1/2 in.)
Francis Calley Gray, bequest to nephew, 1856. William Gray, gift to Harvard University, 1857.