This vintage Märklin lithographed tinplate toy train tunnel, likely model 2521 from the 1920s prewar era is in good general condition. The tunnel features a painted mountainous landscape with lithographed details including a castle, bridge, and a small hut.It was designed for Spur 1 or O Gauge model railways.The structure is made of stamped tin, hand-painted in various shades to resemble rock formations. There are some small areas of wear and some scratches on the paintwork. It will be very carefully packaged before secure delivery.