RIVAROSSI 6909 HO Scale BALTIMORE & OHIO 1920’s 4-Car Passenger Set (Set A). ERIVAROSSI 6909 HO Scale BALTIMORE & OHIO 1920’s 4-Car Passenger Set (Set A), Just like new, in Mint condition. Barely touched, like new. In great shape and ready to be displayed. Comes with display box. Two options for getting your new items. We are Open M-F 10:27am – 6:07pm. We have cool things to checkout while you are here. Or just say hello to a cat.. We will respond to you within 24 hours and do our best to help you out!