Grand Duchy of Oldenburg State Railways
The Grand Duchy of Oldenburg Railway (Großherzoglich Oldenburgische Eisenbahn or GOE) was the railway company that was run as a state railway for the Grand Duchy of Oldenburg (Großherzogtum Oldenburg), part of the German Empire. == History == Compared with the other states in the German Empire, Oldenburg's first railway line arrived relatively late.
Source: Wikipedia — Grand Duchy of Oldenburg State Railways (CC BY-SA 4.0)