This very rare Art Deco brooch has French hallmarks, having frosted crystal triangular shaped body, decorated by cabochon emerald, measuring approximately 8.70 x 7.00 x 4.60 mm, weighing approximately 2.00 carats, along with a cabochon shield shaped emerald, 6 black onyx and 51 Old Mine cut & single cut diamonds, weighing a total of approximately 1.00 carat, measuring 3 inches in length & 1 1/4 inches in width, completed by a 14k gold stick pin and locking closure, all weighing 12.80 grams, numbered #85807, with an eagle head hallmark, Circa 1900 to 1925.
