Found this ring today by a river. Hallmarked 18K 750 but was tarnished like brass til I polished it up a tad. An old fake perhaps, or can 18K come out of
Bague Vintage Or 18K 750 Diamants - 4.8grs- 53 - L'Atelier des Bijoux d'Occasion
Bague Or 18k, 750/000 - 13.90grs- 54 - L'Atelier des Bijoux d'Occasion
Men's Modern 18K 750 Yellow Gold Curb Cuban Link 7.00" Chain Bracelet