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A 35 meg pic? WOW!!!!
Or a billboard!
Looking at the motor mounts and the ones in Trackends Spit pictures and the fact its in US markings I'm going to guess a MKVI am sure thats a Spitfire and it looks like a converted late production VIII, IX or XVI. Originally a 4 gun version almost certainly 2 x 20 2 x HMG.