Tiffany & Co Victorian 14k Black Enamel Amethyst Diamond Brooch (READ)

Vintage Tiffany & Co Vitorian Black enamel brooch with single amethyst and two diamonds brooch The brooch measures 51x13mm Has a single amethyst about 5mm 2 diamonds about 1.7mm each 7.8 Grams total weight Hallmarked Tiffany & Co and 14K This appears to have been yellow gold and was rhodium plated but most of it is gone now, its about 85% yellow gold, the enamel is mostly intact, has some wear on some parts.