A rare sterling silver and enamel pin formed as a POLO PLAYER ASTRIDE HIS HORSE. Melrose Highlands, Mass.: F.A. HERMANN CO. Stamped on the back with the maker's mark and STERLING. It has a hinged straight pin on the back with a C clasp. The pin is finished in black, white, blue, brown, and yellow enamel. The seated rider wears a blue shirt, white cap and pants and a pair of brown boots. In excellent condition. A rare piece. It measures 1 inch in height by 7.8 inches across. The F.A. Hermann Co., founded in 1908, is known for the quality of their enamel work.