18kt yellow gold 18" Vintage Roberto Coin "Pois Moi" Mother-of-Pearl cushion station necklace with toggle clasp. Roberto Coin is a prominent Italian luxury jewelry designer based in Vicenza, known as Italy's "City of Gold". He launching his own brand in 1996. His designs are heavily influenced by Italian history, nature, and architecture, particularly from his birthplace, Venice. The “Pois Moi” collection has a distinctive dimpled frame.