Antique Art Deco Bar Pin Diamond Onyx Set in Platinum, 14K Gold Day Clark Brooch.
Circa 1920s-1930s
Medium: onyx and diamonds set in platinum with a 14K gold stem pin
Hallmarks: 14K Gold (Pin/Clasp); symbol for Day Clark Company (open until 1937)
Weight: total is 4.2 grams
Diamond carat weight: 0.37 carats
Size: about 2 and 1/3 inches wide
Condition: some minor wear to metal; small chipping to a few diamonds
Locking C Clasp