Vintage Unusual SYMMETALIC Sterling Silver 1/20 14k Carnelian Scarab Brooch. This stunning brooch measures 2.8 inches X 1.25 inches X .75 inch thick and weighs 14.9 grams. The pin is in perfect working order. It has a small plate on the back engraved: SYMMETALIC STERLING 1/20 14k. The large carnelian scarab measures 19.2mm X 15mm X 10mm tall oval shape. It is in excellent condition. Please visit my ebay store for unique estate jewelry. Thank you.