This Irvin is from IAC's 1941 contract and is in a poor state. The BIN price is far too high. With its damage £250 is nearer the mark.
http://cgi.ebay.co.uk/Original-WW2-Irvi ... 2ea8c4e34c
http://cgi.ebay.co.uk/Original-WW2-Irvi ... 2ea8c4e34c