Tristan Da Cunha, 2012 Half-Sovereign. 3.99g of 22ct (.916) gold. Obv: Crowned head of Elizabeth II right. Rev: Elizabeth and the lion. Proof FDC. Also included in this lot is Tristan Da Cunha, 2012 quarter-sovereign. 1.99g of 22ct (.916) gold. Obv: Crowned head of Elizabeth II right. Rev: Facing portraits of Victoria and Elizabeth II. Proof FDC. Encapsulated in London Mint Office presentation case with certificate of authenticity. Tristan Da Cunha, 2017 quarter-sovereign. 1.99g of 22ct (.916) gold. Obv: Conjoined portraits of Elizabeth II and Prince Philip. Rev: Diamond wedding anniversary, royal cyphers of Elizabeth II and Philip. Proof FDC. Total metal weight: 7.97g of 22ct (.916) gold.