On this card it translate to "Harz Narrow Gauge Railway." Harz Narrow Gauge Railways (HSB) is a railway company that operates a 1000 mm gauge network in the Harz Mountains, in central Germany. It mostly employs 1950s vintage 2-10-2 tank locomotives, hauling traditional open platform bogie carriages. It employs 249 people. 

Bornheim is a city of 50 000 found on the west bank of the Rhine, with Bonn 10 km to the north-west, and Cologne 20 km to the south. Bornheim has a strong agricultural industry and is famous for white asparagus.