The coin is minted from copper were issued from 1849 to 1855. The obverse and reverse sides have a protruding on the circumference of the piping.
The obverse of the coin shows the monogram of Nicholas I (the large stylized letter "Н" at the bottom of Roman numeral "I" above the letter "Н"great Imperial crown).
On the coin reverse in the middle of the specified denomination "ДЕНЕЖКА" above him a large Imperial crown, below the year of minting - "1851.", below - letters "Е.М."(Yekaterinburg coin).
Varieties of coins "money" sample of 1849: 1849-1855 (EM);
1850-1855 (VM) - Warsaw chasing.