Sizes are mostly 7/8” to 1.25”. About 90% are celluloid and about 10% litho. About 10% have small stain or some degree of celluloid cracks/crazing. Over 50% have image of a streetcar. Beginning in the 1930s, 28 items have a logo of streetcar as well as a bus with name of Amalgamated Ass’n of Electric Ry. and Motor Coach Employees of America. Thirty seven items from the late 1930s into the late 1940s are without images and name the union BRRSC Of A. Lot includes three metal lapel studs with “No Accident” and dated for 1927-28, 1930, 1930-31. A big collection that took years to assemble. 220 pieces. See online photos. These come in plastic coin holder pages in a thick notebook.