c. 1725
closed: 56.3 x 42.3 x 6.2 cm (22 3/16 x 16 5/8 x 2 7/16 in.) open: 56.3 x 85.3 x 6.2 cm (22 3/16 x 33 9/16 x 2 7/16 in.)
Etching on off-white antique laid paper