Certified Sovereign Quincentenary Coin!
The gold content of this Double Sovereign is the usual .4708 of an ounce. The subject of the coin is the 500th Anniversary of the first issue of the Gold Sovereign in 1489.
Obverse: Queen Elizabeth II seated on Coronation throne. Reverse: Crowned a quartered sheild on tudor rose. This example has been graded Proof 68 Ultra Cameo by NGC. KM#957.