1990 Battle of Britain Anniversary

50th Anniversary of Battle of Britain. 1990 Gallantry set on illustrated Benham cover, illustration "Once More" by Frank Wooton. Anniversary Cancel for BIGGIN HILL 11th September 1990. Bears cachet "Carried in a Spitfire Battle of Britain Memorial Flight" and signed by the pilot, with RAF Coningsby receivers cancel on the reverse. Clean fresh cover as shown.