United Automobile Workers 1938 March Convention Pin Vintage Detroit Memorabilia Bastian Bros Celluloid Novelties Pinback Button UAW CIO

United Automobile Workers 1938 March Convention Pin Vintage Detroit Memorabilia Bastian Bros Celluloid Novelties Pinback Button UAW CIO.

A nice old celluloid button in fair condition, frontside has wear and some color fade, backside has some oxidation. Measures approx. 7/8" diameter.