Prototype: Royal Württemberg State Railways (K.W.St.E.) mail car with four wheel sets. "Bottle Green" paint scheme. The car looks as it did around 1915.
Model: The car has continuous running boards on the sides. The trucks are a Prussian standard design. The car has numerous separately applied details. Length over the buffers approximately 19.1 cm / 7-1/2". DC wheel set E700630.
The steam locomotive to go with this car can be found in the Märklin H0 assortment under item number 37118. Other cars to go with this car can be found in the Märklin H0 assortment under item numbers 42104, 42122, 42133, 42134, 42144, and 42149.