Non-Nacreous Natural Quahog Pearl. Button Shaped, Weighing 9.2 Carats Measuring 11.5 mm x 8.9 mm. Untreated and unmounted. Domed, button shape with flat bottom. Natural surface with Inclusions and imperfections. Harvested in Barrington Rhode Island 1930's-1940's. This is one of eight lots in this auction from the same family of fishermen and dock workers.