Donna Chambers 14k Gold F.W. Pearl and Mother of Pearl Designer Pierced Earrings Exquisite mother of pearl & Freshwater pearl pierced earrings by designer Donna Chambers. Circa 1980's. Overall measures approx. 2 1/4" long x 3/4" wide Stamped: DC, 14K In excellent vintage condition, please disregard any shadows. No longer in production. Many of her pieces have been shown at the Smithsonian Institute is Washington & The Boston Museum of Art