PERFECT as a Gift for That Special Person, or to complete Your Collection! 2016 Gold Proof Full Sovereign. In Original Box and with Original CoA. The proof version of the 2016 sovereign features a different obverse portrait to mark the Queens 90th Birthday. The coins show the James Butler portrait of the Queen, as used on the 2015 Longest Reigning Monarch coins.The item "RARE 2016 Gold Proof Full Sovereign in Original Box and with Original CoA" is in sale since Sunday, April 4, 2021. This item is in the category "Coins\Coins\British\Elizabeth II (1953-c. The seller is "my-word-is-my-bond" and is located in London. This item can be shipped to United Kingdom.