Vtg Crushed Turquoise Coral 1" Gold Tone Dangle Earrings COP Castings on Parade

Small Dangle earrings from 80's. Company is no longer in business. Approx 1" top to end. "COP" mark was used by Castings on Parade, Inc., a jewelry manufacturer based in Albuquerque, New Mexico. Company was later purchased by Black Hills Gold by Coleman and operations were moved to Rapid City, SD. While in New Mexico the designs were more Native in style.