.. that seems to be based on PS design.
-10 internets for you.
First of all, not even close to a PS design.
Besides possibly the worst diagonal panel roof ever made, the 4/5 dreadnaught ends (and I use that description kindly) go back to cars from the late 30's. By the 40's the 4/4 improved dreadnaught had replaced it.
s the
This car has a new date of '53. I'd have to look and see if a new box car was made with those ends in the ten years previous to that date.
Jason