The Poznań issues

Fischer 66-70 | Michel 130-134 | Scott 72-76 | Year of issue 1919 | Pre-war Poland

These are Germania stamps with "Poczta Polska" overprints, new denominations and a bar cancelling the "Deutches Reich" text, issued from Poznań.

Fischer 66 Poczta Polska Fischer 67 Poczta Polska Fischer 68 Poczta Polska
66
67
68

Fischer 69 Poczta Polska Fischer 70 Poczta Polska
69
70

Germania issues overprinted with Poczta Polska

Glossary

Poznań is a city on the river Warta in Great Poland, between the German border and Warsaw.
Germania issues are a series of German stamps, released between 1900-1921, with the portrait of the Wagnerian opera star Anna von Stratz-Fuhring, representing the German empire.

Translations

Deutches Reich (German) = German Empire.
Poczta Polska = Polish Postage.

Resources

Germania issues (muenster.de)
Germania issues (datanet.hu)
German Empire
Poznań

Cancellations

Fischer 67-70 cancelled in Poznań

Fischer 66-70 cancelled in Posen (Poznań)