This early prewar O gauge tinplate set includes the 752W powered engine, 753 center car, and 754 observation car, all in classic yellow and brown with Union Pacific markings. These were among Lionel’s first streamlined trains inspired by real-world diesel prototypes and remain highly collectible. Model: 752E Streamliner set (includes 752W, 753, 754). Gauge: O Gauge Tinplate. Road name: Union Pacific. Finish: Yellow with brown roof. Material: Lithographed tinplate. Original stamped lettering and numbers visible. Motorized power unit with early style couplers. Displays heavy wear, paint loss, and surface oxidation consistent with age. Roofs show rust and fading; ends detached (included for restoration). Ideal candidate for restoration or display as an authentic prewar Lionel piece.