This is a Handsome 1991 $5 American Half Eagle coin ring, set in 14K Yellow Gold Matt and Polish finish elegant mount.
Marked 14K.
Coin Designers: Augustus Saint-Gaudens (obverse), Miley Busiek (reverse).
Coin Diameter: 16.5mm.
Coin Net Weight: Tenth Ounce. fine gold.
Ring size: US 9 1/2 (9.5)
Ring total weight: 12.3 g