Lovely antique Edwardian tri color gold filled heart shaped brooch pin signed PSCO. With an unusual wire work lattice background, very ornate. Yellow gold filled with rose gold and green gold accents. Measures 1" x 15/16". With fold over safety clasp, and long pin stem, original to the pin. In excellent condition, very light age appropriate wear, pin stem is dark aged metal. Can be worn alone, or with a lapel watch, or any other jewel that you fancy, hanging from the sturdy hook. Circa 1910. Maker marked PSCO: Plainville Stock Company- (Plainville, Massachusetts).