Gold Sovereign, 1980 Proof Boxed with certificate FDC.

1980 Gold Proof Sovereign. proofs are specially struck coins, with a highly polished mirror finished background, and the raised design in contrasting matt finish. They are issued as limited editions, and are more expensive than the ordinary uncirculated version. This 1980 proof sovereign is contained in a plastic capsule within a Royal Mint leatherette wallet, and accompanied by a certificate.