Bidspirit auction | Vintage .925/Enamel Frog Brooch Marcasite

Vintage .925/Enamel Frog Brooch Marcasite - Marked MEXICO sterling silver brooch with figural frog with textured frog skin, black enamel or resin, orange carnelian or resin eyes and prong-set marcasite.  Hinged pin and locking C clasp.  Appears there are no missing marcasites, truly a ”first”.  Vintage year: 1980's.