Here is one of mine:
The freight cars in the above video are relatively flat, and some may not be considered genuine flat cars, so we will use a liberal interpretation of flat cars in this thread. Truth is, I only have a few flat cars in my collection.
The locomotive in an MTH Proto 3 Premier Marine Midland diesel, and I think the blue and orange livery is very attractive.
Now it's your turn. Show us your flat cars by posting photos and/or videos of them here. Arnold