Tristan Da Cunha, Gold Proof One Third Guinea 2008, commemorating the 250th anniversary of the birth of Lord Nelson in 1758; obv. Queen's portrait, rev. half-length portrait of Nelson in naval uniform, ships in background; 17mm, wt. 2.8g, 22ct gold, limited mintage of 499 (this coin No. 174 (visible below bust of Nelson), with certificate of authenticity, encapsulated in London Mint Office case of issue, FDC