ERTE SOPHISTICATION BROOCH / NECKLACE: LE #138/250 This rare 14k Yellow Gold, White Gold, & Sterling Silver ERTE Diamond Necklace is titled, ''Sophistication.'' This necklace converts into a brooch and is made of yellow and white gold, pave diamonds, mother of pearl, and cabochon onyx. This necklace is from 1984 and is truly a piece of wearable art. The Erte signature is etched in the mother of pearl face. Stamped mark to back of brooch CFA STERLING & 14K 138/250, Erte signature at the bottom of mother of pearl face. Brooch is approx. 3.75''l. plus 2'' dangles, total brooch measurements are 5.5'' x 1'' x 1/8''deep. Necklace is a bit of a choker style, approx. 16''l. Sold with original Erte presentation box, Erte retail price $15,750.