3 1/2″ high x 2 3/4″ wide. Brass body. Steel shackle. There is a glass window over the counter at 12 o’clock on the reverse of the body. “TOWNSEND MAN’FG CO. BUFFALO NY PATD DEC.10.61 JULY.27.69” is stamped on the obverse of the case at 9 o’clock.Patent #’s 33920 98513. Patent #98513 was antedated from 01/04/1870 to 07/27/1869.