Great Britain (London, England), gold guinea, George III, 1791, mounted in 14K gold bezel with fixed bail.12.11 grams total.Medal-aligned coins like this type lend themselves well for jewelry, and the George III guineas tend to have a universally historic appeal, this example XF or better with light hairlines on reverse and old scratches on bust, simple mount in lower karat gold (makes the coin look particularly rich). From: World Coins (silver unless otherwise noted)
($700-1000)