Circular brooch set in yellow gold (585), bordered by a filigree festoon and centered with a silver Alexander tetradrachm in the profile of Hercules wearing the skin of the Nemean lion, on one side, and featuring Zeus seated on a throne holding the eagle, on the other. Metal pin. Gross weight: 21.8 g. - Diameter: 3.3 cm. Wear; small weld holding the piece in place on reverse.