An inspiring, limited edition customised stamp sheet commemorating the centenary of the formation of the Royal Air Force, which came into being on 1 April 1918 with the amalgamation of the Royal Flying Corps and the Royal Naval Air Service. The sheet labels depict outstanding aircraft which have served the RAF in their 100 years of active service around the world: Swordfish; Spitfire; Lancaster; Canberra; Vulcan; Jaguar; Sea Hunter; Tornado; Typhoon and Lightning, names which grace the service's Roll of Honour. Issued in a numbered limited edition of just 2018, this sheet will grace the collection of all those for whom Britain's military history is of interest.