I have had some extra Intermountain cars shipped to me just this week. I have one each of the B&O Deco end car and one each of the Canadian NSC-2 end cars; A CN and an O.N. car.
This A&EC and D&LW cars seem to be standard '37 AAR cars, I have one each.
One each are available. Priced for $29 each plus buyer to pay $7 and up shipping to the US. I accept checks and money orders. With a small fee PayPal is welcomed. Contact me off-list (Please) for details at: <midcentury@...>