Frankfurt am Main Bahnpost (DE)

From Stamps of the World

Postmarks placed as Ambulant in railroad travelling post offices. There were Bahnpost trains from FRANKFURT A.M. to COELN, EISENACH, HEPPENHEIM and WETZLAR when the German Empire was created.

Source: Peter Feuser 1983

Postmarks in German Reich

FRANKFURT A.M. - COELN in 1872ca. Feuser 15 points.
Frankfurt am Main Bahnpost (DE) DR b.jpg
ZUG 320 to Wiesbaden (?) in 1903.

Postmarks in North German Confederation