A beautiful 22ct Gold 2003 Elizabeth II Gold Proof Sovereign.
This lovely coin comes in the original box and has the original Certificate of Authenticity booklet.
The outer box does have some visible minor marks.

Coin number - 08190
Weight - 7.98g
Year - 2003
Front - St George and the Dragon
Back ELIZABETH.II.DEI.GRA REGINA.FID.DEF