Two 18ct pink gold 'B.Zero1' rings, Bulgari, comprising: a 12 mm wide ring centring a coiled black ceramic band flanked by circular plaques, the sides engraved Bvlgari Bvlgari, size 59 (R) numbered A474AFF, a 4.50 mm wide ring centring a polished flat band en suite, size 57 (P1/2), numbered C66HX4, both signed Bulgari, Italian maker's marks. (2)