Elizabeth II, United Kingdom, 2001, Gold Proof Three-Coin Sovereign Collection, Royal Mint, to include 2001 gold proof Two Pounds, weight 15.97g, diameter 28.40mm, struck in 22-carat yellow and red gold, The centenary of Guglielmo Marconi's first wireless transmission across the Atlantic. R. Decorative radio waves emanating from a spark of electricity linking the zeros of the date to represent the generation of the signal that crossed the Atlantic with the date '2001' and the denomination 'TWO POUNDS', edge inscription 'WIRELESS BRIDGES THE ATLANTIC MARCONI 1901', reverse design by Robert Evans, Sovereign (7.98g) and Half-Sovereign (3.99g) coins, all struck in 22-carat gold, from a limited edition presentation of 1500, with Royal Mint certificate and in original presentation case, PGS35.