Gold Proof 1979 Sovereign Boxed

This Mint 1979 box-set features a single gold Proof Sovereign coin. This coin weighs the same as a regular sovereign, at 7.98 grams and 22-carat gold (91.67% fineness). This proof has been struck using specially selected blanks and highly polished dies. During striking, the coinage dies exert enormous pressure on the coin blank, with at least two separate blows (or strikes), ensuring that the impression has extra clarity. It comes bound in a good looking case. Please note that the mint did not issue certificates with its proof sovereigns until 1980