This is a Trains Athearn HO 1805 SL RPO BALTIMORE AND OHIO 3153 MAIL CAR that I picked up from an estate sale with other train item. Please see the pictures for the quality and the item you will receive as the most important part of the description and use the zoom for a closer look. I'm not a person who knows a lot about train items I was told they were from a collection. What a great addition to anyone's collection and I am listing others so check out my other listings.