THIS VINTAGE BROOCH IS CLEARLY IN THE ART DECO STYLE OF THE ROARING TWENTIES AND 1930'S, BUT I AM UNCERTAIN OF ITS AGE. THE METAL IS GOLD TONE AND THE STONE IS MEANT TO REPRESENT SARDONYX OR CHALCEDONY. THE PIN BACK IS A C CLASP WITH NO FOLD OVER LOCK, AS MORE MODERN PINS USUALLY HAVE. IT MEASURES 2 1/4 INCHES WIDE. MOST ATTRACTIVE. THIS WOULD LOOK GREAT ON A COAT, SWEATER, OR AT THE CENTER NECKLINE OF A BUTTONED UP BLOUSE.