Gold coins of this type were issued from 1817 to 1823, and in 1827 and 1829. Coins 1819 there are two varieties, differing in the size of a portrait of Alexander I and the edge.
Photo source: conros.ru
After the war with Napoleon was held at the Congress of Vienna, which decided the question of state borders in Europe. To the Russian Empire
ceded the Duchy of Warsaw - the main part of Poland, repeatedly shared with 1772 between Prussia, Austria and Russia. In 1816, at the Warsaw mint began minting copper, silver and gold coins with inscriptions in Polish, which lasted until 1850. Included two types of coins. Later they were replaced by nationwide, which was used before the independence of Poland in 1918.