Dienstmarke overprints

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

Fischer U41
Michel 41
Fischer U42
Michel 42
Fischer U43
Michel 43
Fischer U44
Michel 44

Fischer U45
Michel 45
Fischer U46
Michel 46
Fischer U47
Michel 47
Fischer U48
Michel 48

Fischer U49
Michel 49
Fischer U50
Michel 50
Fischer U51
Michel 51

Translations

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