I have been working on a project on and off for several years, but the technology didn't seem to exist to do what i wanted to do. So...
Just this last month (October 2017) a new release of boxcars from InterMountain hit the shelves of hobby stores.
The model is of a 1937...
Meridian & Bigbee 1937AAR standard boxcar
1932 ARA standard boxcar- but with unusual Buckeye ends and Viking roof. (WWII photo from Office of War Info.)