Bidspirit auction | 1807 DUCHY OF WARSAW POSTER

1807 DUCHY OF WARSAW POSTER - Poster issued by the government of the Duchy of Warsaw. Document dimensions: 21 x 36 cm. The document is dated June 24, 1807. It is a thank you to Napoleon for the victorious battles of Frydland and Królewiec, which could have created the Duchy of Warsaw. The government of the Duchy asks the bishops to hold thanksgiving services.