In 1704 Peter the Great introduced the first regular minting of this currency in silver
In a 1704 currency reform, Peter the Great standardized the ruble to 28 ... Silver 
20 kopeks were introduced in 1820, followed by copper 10 ... One, issued by the 
Treasury, consisted of regular style (if small) notes for 1, 2, 3, 5 and 50 kopeks.