BB14a Battle of Britain - MM unsigned

JS(CC)94a / JS(BB)14a 60th Anniversary of the Battle of Britain cover with artwork by Tony Theobald showing Supermarine Spitfires of No 74 Squadron, including the legendary 'Sailor' Malan flying Spitfire 'ZP-A' attacking He 111s. The cover shows the Military Medal which was famously awarded to the WAAFs at Biggin Hill for remaining at their posted during a heavy Luftwaffe attack and bears definitive stamp cancelled with RAF Biggin Hill 11 Group 92 Squadron Spitfire postmark on 15 September 2000.