18ct gold 'B-ZERO1' necklace, Bulgari, centring a coiled band with raised edges, the sides engraved Bvlgari, suspending three open work circular plaques, the obverse and reverse engraved Bvlgari completed by a trace chain, accented at intervals by similar plaques, adjustable inner circumference approximately 450 mm, Italian assay and maker's marks, signed Bulgari