I don't know what the gem in the center is.
VTG Foster 2 Tone Gold Plated Tie Chain
Foster Gold Tone Cufflinks & Tie Tack Set Green Stone Vintage w/ Box
Foster Gold Tone Cufflinks Tiger Eye Oval Cabochon Vintage Men’s
Vtg Swank Gold Tone Square Textured Cufflinks 1” Anniversary Wedding Formal Gala
Vtg Krementz Gold Tone Blue Lucite Cabochon Cufflinks Mens Jewelry MCM
Vtg Modernist Gold Tone Cufflinks - Red Glass Accent - Mid Century - 1960s-80s
