Wood, leather, glass and inscribed backboard
Overall: 3 1/4 x 2 5/8 x 1/4 in. ( 8.3 x 6.7 x 0.6 cm )
inscribed: on backboard in pen: "Joseph Priestley LL. D/ Impression on Leather/Presented to/ The New York Historical Society by/ John Pintard/Oct 16th. 1809"
Due to ongoing research, information about this object is subject to change.