The Premium Proof Britannia range features a 2 ounce Silver Proof Britannia, with the exclusive Premium Britannia design for 2021. There is a limited edition presentation of 550 coins. Maximum mintage of 560 coins, with a limited edition presentation of 550 coins. Contains 2 oz of. Comes in the original mint box. Obverse: Features the 5. Effigy of Her Majesty Queen Elizabeth II and the monetary denomination, design by Jody Clark.