Vintage WMCH (White Metal Casters Assoc.) 1930’s Art Deco Collar Pin. 2 1/4’ x 7/8". Stick pin unscrews to fasten. Ten clear rhinestones in each section, all of which are present & intact. Signed “WMCH”. Excellent condition. Vintage Wmca Art Deco Collar Pin | 852 White Metal Casters Assoc