18ct pink gold and ceramic 'B.Zero1' ring, Bulgari, the 8.50 mm wide ring centring a coiled black ceramic band flanked by circular pink gold plaques, the sides engraved Bvlgari Bvlgari, size R12/60, signed Bulgari, made in Italy, maker's mark. Accompanied by a Bulgari authentication card numbered 347054 and dated 27 February 2020.