I haven't been able to get on to Ian's web page to check the photo to see if
this is a good match, but think it worth noting that the door and a half
parts are offered by New England Rail Service's Standard Car Co.

Its shown at the bottom of this page:

http://www.newenglandrail.com/products.htm

and a detail at this page:

http://www.newenglandrail.com/1000.html

Rob Kirkham