The 2008 Alderney gold £5 proof coin is gold crown size, and features Concorde.
The Royal Mint certificate which accompanies the coin has the following information:
‘When British Airways retired its Concorde fleet of seven aircraft in Ocotber 2003 it brought an end to one of the greatest periods in aviation history. Concorde was the product of a joint venture between Britain and France. The first Concorde prototype was unveiled in 1967, the plane made her first flight in March 1969, and her first supersonic flight in October that same year. Commercial flights began in 1976 and, in almost three decades of service, Concorde won many fans with her unique blend of speed, grace and beauty.
Technical Specifications
Gold content is 1.176 AGW. Limited to 250 pieces