Vintage Onyx Ring - Retro 10k Yellow Gold Natural Oval Black Chalcedony Gemstone - Circa 1970s Era Size 6 1/4 Statement Fine PSCO Jewelry Milgrain Design Band and a year date that

and a year date that is post 1999

They were in business from approximately 1850 to 1971

won world acclaim until his death in 1998

Amazing modern gemstone charm necklace

Charming modern estate 18k yellow gold fish necklace

Vintage Onyx Ring - Retro 10k Yellow Gold Natural Oval Black Chalcedony Gemstone - Circa 1970s Era Size 6 1/4 Statement Fine PSCO Jewelry Milgrain Design Band and a year date thatClassic vintage circa 1970s era 10k yellow gold onyx ring! This lovely vintage ring features a natural black chalcedony gemstone (commonly known as onyx), which is securely bezel set. There is a classic frilly scalloped border framing the black gem. A beautiful piece of fine 1970s era jewelry! ERA Circa 1970s Retro METAL MATERIAL 10k yellow gold, black chalcedony (onyx) MARKINGS HISTORY Inside of band is marked "10K PSCO P" for Plainville Stock Co.,