Knew I've seen this one befor!
http://cgi.ebay.de/ws/eBayISAPI.dll?...m=270097690477
In the monograph Polish Wings No. 6 by Wojtek Matusiak, page 48.
According to Matusiak, this is Spitfire Mk. I K979, which became the Mk. II prototype with a Merlin XII and then converted to PR. Crashed over the Ruhr on 17 August 1940 and the pilot, F/Sgt. J. D. T. Taylor-Gill becoming a POW.
The aircraft was later displayed in Vienna then Warsaw.