This one is back on Ebay after "selling" a few days ago. It has been lengthened and a pocket added. The BIN (£157) is fair and the jacket could be restored to a more conventional appearance.
http://cgi.ebay.co.uk/WW2-Irvin-Flying- ... 0394112472
http://cgi.ebay.co.uk/WW2-Irvin-Flying- ... 0394112472