The Trade Topics section highlighting new product information in the June 1970 Model Railroder magazine includes AHM's Streamlined Duplex Sleeper. This car was a new addition to AHM's collection of passenger cars in mid-1970. The articles states, "this makes five cars which can be used to make up many interesting and different trains." The four cars that preceeded the Duplex Sleeper to AHM's line included: the coach, obs, sleeper, and RPO. Original roadnames included: Pennsy, B&O, UP, and NP. The car first sold for $4.98.