Dienstmarke overprints

Fischer U41-51 | Michel Dienstmarken 41-51 | Year of issue 1924-1925

U41	U42	U43	U44

U45	U46	U47	U48

U49	U50	U51

Translations

Dienstmarke is German for "official stamp".
Freie Stadt Danzig is German for "Free City of Danzig".