Copper "Siberian" coins were planned to complement the silver coins in denomination of 10, 15 and 20 cents, but in mass production they did not. There are rare remakes of two types (monogram and profile), minted by the mint at a later time.The obverse
depicts a simplified monogram of Catherine II, made up of letters "Е"(Catherine) and Roman numerals "II" Upstairs the Imperial crown. The sides two branches connected at the bottom with a bow.The reverse
depicts the emblem of the Siberian Kingdom - two Sables standing on hind legs, each of them with one paw holding the downward-facing arrow, and the other supports the crown. In a circle the inscription - "•МОНЕТА•ЦЕНА•ДВАТЦАТЬ•КОПЕЕКЪ•" At the top of the year of issue "1764".
Photo from: www.altin-coin.ru