This is a magatama (comma-shaped jewel) with a matcha green color on its back, and a translucent, creamy yellowish-green (?). I received it from a collector of Itoigawa jade magatama. There were other colors of the same shape, but I chose this one because it had the most unique color and translucence. Apparently, this color is quite rare. It's about 2.6 x 0.8 centimeters. #Hai'sMagatamaForSale