The G-50-9 is kind of arcane, and I seriously do not expect a reasonably priced model of it within my lifetime. It was done by a high end brass importer about 20 years ago, and sold for over $300 each. It is a drop-bottom car used primarily by the Harriman roads, and initially made by the Enterprise Car Co. It differs from the MTH steel side mostly by having sides that slope inward well above the ratchets for the doors. Ulrich made them in HO out of die cast - not 100% accurate, but still under four bucks, so I kept a pair:
Reference: Southern Pacific Freight Cars Vol 1, Anthony W Thompson, pp 94-108.
