2012 Royal Mint Diamond Jubilee Gold Proof Sovereign. Metal: Solid 22 Carat Gold. Full Sovereign - Weight: 7.98 Grams / Diameter: 22.05mm. Presented: Royal Mint Boxed with Certificate of Authenticity.The item "Royal Mint 2012 Great Britain Gold Proof Full Sovereign Coin with Box / Coa" is in sale since Thursday, January 31, 2019. This item is in the category "Coins\Coins\British\Proof Sets/Coins\2000s". The seller is "collect247uk" and is located in stevenage, Hertfordshire. This item can be shipped to United Kingdom, Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Australia, United States, Canada, Brazil, Japan, New Zealand, Israel, Hong Kong, Norway, Indonesia, Malaysia, Mexico, Singapore, South Korea, Taiwan.