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
18k 750 Gold Ring Price Hotsell - www.bridgepartnersllc.com 1695357433
Goldaniza 750 GOLD RINGS RI0012 - GOLDANIZA
Cartier Trinity Wedding Band 18K 750 Yellow Rose White Gold Ring Sz 54 – GEM Pawnbrokers
Solid 18k 750 Peruvian Peru Rose Yellow Gold Ring Unisex | eBay