UIC-X 1st/2nd Class Express Passenger car, type ABm223 of the Deutsche Bahn (DB).  Epoch IV.

The prototypes of these cars were purchased in large numbers by the DB in the 1950s and were indispensable for express train service until the 1990s. The models are in scale length, color scheme and lettering correspond to the early era IV, and interior lighting can be retrofitted.