Catalogue information
The date of issue (1 January) is according to the Gregorien calendar in force at the time. Because this date fell on a Sunday, the stamp did not actually become available until 2 January. At the time of issue, the Kingdom of Poland was part of the Russian Empire. The printing of this stamp was done without the permission of the Russian postal service and approval was only given retrospectively on 4 March 1860 (Gregorian calendar). The stamps were only valid within the Kingdom of Poland and for letters to Russia. On 1 April 1865, the Russian postal service withdrew their permission for use and from that date onwards Russian stamps had to be used. The remaining 208,515 stamps were destroyed. The design is similar to the Russian stamps designed by Kepler, but with a Polish inscription and a different colour scheme. The engraving was made by Henryk Mejer, an engraver employed by the Bank of Poland.
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![Eagle and Post Horn [without lightning]](https://assets.lastdodo.com/image/ld_medium/plain/assets/catalog/assets/11/d/9/1/pdf_d9118070-0e63-012e-bcd5-0050569439b1.jpg)
![Eagle and Post Horn [without lightning]](https://assets.lastdodo.com/image/ld_large/plain/assets/catalog/assets/11/d/9/1/pdf_d9118070-0e63-012e-bcd5-0050569439b1.jpg)
