Foreign Gold
Tristan da Cunha, 'The Diamond Jubilee 2012' Gold Proof Set', 3 coins comprising: sovereign, half sovereign and quarter sovereign, each struck in .916 (22ct) gold, with obv. Elizabeth II head right, rev. Britannia standing on a barge, Tower Bridge behind, encapsulated with The London Mint office certificate of authenticity in case of issue
Estimate: 500 - 550 GBP