2001 Royal Mint, 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, in original green leather box of issue with numbered 1397 certificate, K11.