Circa 1960s Tiffany & Company Sea Urchin Brooch, Measuring 2 1/8 inches in Diameter and 1 inch in height. Comprised of 18K Yellow Gold pointed Spines and Carved Coral Pointed Spines. weighing 42.6 Grams and having a Double Clip pin with lock faster. A very Rare and Hard to find piece of Tiffany Art.