KOHS FD-2 Flat car and FW-1 Flat car.
Those are the best I ever seen special the details on those two cars it's big to big on my layout so I not run these. I saw one on Brasstrains for sail. Kohs did a great job and I think the best of the best. I hope you like them it's big yes it is.....
PRR FD-2
PRR FW-1