CROWN TRIFARI Sterling with Gold Wash Ruby Red and Blue Glass Cabochoned Butterfly Brooch is part of a 1944 series. It measures 2 1/4 by 1 3/4 inches. It is signed Sterling on one wing tip. Trifari with the Crown over it on another. And on a third wing it is marked with the Patent number 138520. The cabochons are prong set, and there are pave accents at the edges and down the center of the bug. This piece can be seen in the Brunialti Book on page 139. There was also a Vogue ad from September 15, 1944. A true American Vintage Beauty.