The minting of commemorative coins started during the reign of Catherine II. The first was gold rubles for the participants of the Palace revolution, they had the same image size as the normal silver, but a much greater weight. After a year in honor of the development of the redistribution of the guns in the coin in 1757 produced a copper coin with the date "1757", but with the monogram of Catherine II. From the 1830s, begins regular minting of commemorative rubles in honor of important events of the Empire. In the late XIX - early XX centuries limited edition gold coins have been issued superior quality non-standard denominations, which were donative, that is, a gift for high-ranking officials, in turn they didn't arrive. The most famous commemorative coins of the Empire can be considered a silver ruble in honor of the 300th anniversary of the Romanov dynasty, and "Gangut ruble", released on the 200th anniversary of the battle of Gangut.