RFDC44 First Flight of the Big Ack RAF FDC

Cover produced to commemorate the 70th Anniversary of the First Flight of the Big Ack. Cover depicts Armstrong Whitworth FK8, Grumman Wildcat, Curtiss Owl and Sopwith Salamander.
Cover bears full set of Nature Conservation stamps cancelled with BFPS 2111 for the Anniversary of the First Flight.

Cover has been signed by Mr R Lee Keeper of Reserve Collection and Restoration Centre RAF Museum and Mr Ken Willis Editor Flypast and Keeper of Register for Aircraft Preservation.