In 1989 to commemorate the 500th Anniversary of the first Gold Sovereign, the Royal Mint released a special Limited Issue Tudor Rose Sovereign Gold Proof

This coin has been graded and authenticated by NGC PF70

The 1989 Gold Sovereigns feature two new designs by Bernard Sindall, both of which are modern adaptations of the original sovereign design of 1489.
The reverse is a Shield Of The Royal Arms ensigned by an open Royal Crown, the whole superimposed upon a double rose and the circumscription ANNIVERSARY OF THE GOLD SOVEREIGN 1489-1989.
The obverse shows Her Majesty, Queen Elizabeth II DEI GRA REG FID DEF, which may be translated as Elizabeth II - by Grace of God, Queen, Defender of the Faith. 

Coin Type: Full Sovereign 

Issuing Country: United Kingdom

Metal: Solid 22 Carat Gold

Total Weight: 7.98 Grams

Quality: Gold Proof NGC PF70

Issue Limit: 10,535 Worldwide