BULGARI, B.zero1 collection: white gold ring

18k white gold band. The collection b.zero1 is inspired by the shape of the Colosseum of Rome. Signed "BVLGARI".
Hallmarked "54 - 750 - BVLGARI - MADE IN ITALY - 2337 AL". IT size 15 - US size 7 1/2. Weight 8.7 g.
Item condition grading: ***** excellent.