French Belle Epoque Diamond Snake Boutonniere Holder
fourth quarter 19th century, silver top, 18k yellow gold back, in the form of a coiled serpent set with old European-cut diamonds weighing approximately 0.46 carats in total and round-cut ruby eyes weighing approximately 0.01 carats in total, opening to fit a boutonniere or aigrette, the pin detaching to permit the piece to be worn as a watch chain slide. l. 1-5/8", total weight 7.2 grams