159. BULGARI: "MONETE" GOLD AND DIAMOND NECKLACE Centred on a gadrooned motif holding a bronze coin, engraved on the back with the inscription "ANTONIN LE PIEUX ROME 138/161" and shouldered with brilliant-cut diamonds on a gourmette chain, signed Bvlgari, numbered, French hallmark for 18K (750°/00) gold, master hallmark, length 40.50 cm, gross weight 116.76 g. BULGARI: GOLD AND DIAMOND NECKLACE, "MONETE" Composed of a fluted motif centring on a bronze coin, engraved at the back with the inscription "ANTONIN LE PIEUX ROME 138/161", between shoulders and set with brilliant-cut diamonds, to a curb link chain, signed Bvlgari, numbered, French assay marks for 18 carat gold, maker's mark, length 40.50 cm, gross weight 116.76 grams.