Vintage American Flyer Lines Four-Car Streamlined Passenger Set – S Gauge. Offered is a vintage four-piece American Flyer Lines streamlined passenger train set manufactured by A. This classic silver passenger set features the distinctive streamlined styling, ribbed metal-look bodies, detailed windows, and American Flyer Lines lettering. #660 – Passenger baggage/combination car. #661 – Passenger coach. #662 – Passenger coach. #663 – Streamlined observation car with rounded rear end.