When Rush visits Johanna Hoffman, Hoffman's concentration camp number on her forearm, 16504, is shown as a young and old woman. The 4 is in a different format in both (closed and open).
The F-7 EMD locomotive didn't exist until 1949, hence it would have been a steam locomotive pulling that passenger train.
All Dutch characters have different types of accents, none of them resembling a Dutch accent. Even the surnames are mispronounced by the people that should know how to pronounce their own name.