Angela Cummings for Tiffany & Co., feather pendant, 18ct yellow gold and iridium platinum with 5 round brilliant cut diamonds, stamped 'Tiffany & Co. 18K Iri. Plat', together with 18ct yellow gold chain, with original Tiffany & Co. Box, approx. Weight 3.4 grams, Cf. For comparison Tiffany & Co. 1979-80 bluebook