This "Portrait of a woman" sterling brooch was manufactured by Evans Case Co.
This brooch is gold plated in two different tones and with blue-cut stones, depicts the face of a woman. It is hallmarked sterling.
This brooch was figured in "WWD", June 26, 1942, which said that: " A small collection of exotically styled sterling silver jewelry, chiefly big pins was being introduced by Evans Case Co."
Ref: A Tribute to America, Costume Jewelry 1935-1950, by Carla Ginelli Bruinalti and robert Brunialti, Edita, January 2002 page 226.
REF: WSarman's Costume Jewelry Figurals, Identification and Price Guide, by Kathy Flood, Krause Publications, 2007 P. 106