- Description 2007 Proof Gold Britannia 4 Coin Set Boxed This stunning four Gold Britannia coin Proof set from 2007 is boxed with a certificate of authenticity. The Britannia set contains four gold coins; One Ounce, Half Ounce, Quarter Ounce and a Tenth Ounce. The coins are presented in a beautiful display case and is issued with a Certificate of Authenticity.
