I'm not sure what's going on here, but it can't be what the advert claims unless they just mean the rear window is from the 1940's?!
www.ebay.co.uk/itm/154429739046?hash=item23f4bad026:g:dg0AAOSwnMVghy0b
www.ebay.co.uk/itm/154429739046?hash=item23f4bad026:g:dg0AAOSwnMVghy0b