These stamps were overprinted for use at the Frankfurter Frührjahrflüge (Frankfurt Spring Flights) in 1925, but were never used. As such, they are only known in mint condition.
The underlying stamps are Deutsches Reich MiNr. 264-266.
Frankfurt Spring Flights
MiNr. II a
MiNr. II b
MiNr. II c
These stamps were overprinted for use at the Frankfurter Frührjahrflüge (Frankfurt Spring Flights) in 1925, but were never used. As such, they are only known in mint condition.
The underlying stamps are Deutsches Reich MiNr. 264-266.