HO Walthers Passenger Car SOUTHERN PACIFIC AC&F Baggage-Mail Railway Post Office Model #932-6904. This passenger car is new and comes in the original box. There are 2 of these cars available. Come visit my store, it is located in Gridley Ca. My address is 546 Kentucky Street, Zip code is 95948. Hours are 12pm to 5pm Wednesday thru Friday and 11am to 5pm Saturday.