Rare antique watch fob marked 10k gold, crown shape, 7.12 gr total. Set with a large genuine oval Amethyst, 11 carats, measuring 18 X 12 X 9 mm (approx). Medium dark bluish purple, clarity SI1, good cut. Remarkable craftmanship. Fob measures 22 mm high (without the 2 top rings) and 20 mm wide.