The iconic DW-K of No.610 'County of Chester' Squadron, with its large code letters and oversized roundels that instantly evoke the Battle of Britain. Based at Biggin Hill, squadron code DW-K was initially believed to be displayed on the aircraft P9495 which joined the squadron in June 1940, and was eventually damaged in a dogfight with a Messerchimitt 109 in August 1940, these code were then transferred to another Spitfire.