Vintage Sterling Silver Marcasite Frog Brooch

Vintage sterling silver brooch with marcasite decoration. Marked 925. Hinge pin to underside. Measures approx. .75 x 1 inches. Total weight .12 ozt. Some marcasite needs replacement. Some surface wear including scratching observed. Estate jewelry, fine jewelry, costume jewelry, cocktail jewelry, accessories, fashion accessories, wearables, gifts, frog brooch, sterling silver, sterling silver brooch, marcasite brooch, vintage jewelry, 10 j