On the front side is a two-headed eagle with shield on breast, in which the date of issue "1771". In a circle a wreath of Laurel leaves.
On the flip side , nominal value in words in two lines: "МОНЕТА РУБЛЬ" upstairs the Imperial crown. In a circle a wreath of Laurel leaves.
Wide field-of-GURT is a complicated pattern formed with ovals and semi-circles. The pattern is interrupted by approximately 1-2 mm.
In the years 1770-1778 in Russia was conducted in an attempt to establish a coinage of copper rubles, which was planned to be used for the exchange of paper Bank notes. Instead of coins-plat the time of Catherine II new rubles had to have a round shape and all the signs of real coins. Production was carried out at the Sestroretsk factory in the vicinity of St. Petersburg, as a raw material used in the old guns. Mugs for coins were cut out of the copper cylinder, which was labor-intensive. On both sides of the workpiece was applied to the stigma of specially created for this stamp.
After unsuccessful attempts to establish production of, from 1774 to the preparation led by the favorite of the Empress Platon Zubov, who instructs the adjustment of production M. Simonova. As a sample Soimonov receives a sample and stamps with the date "1771". In November, 1776, Soimonov offers to reduce the thickness of the disc 26 to 15 mm, thus increasing the diameter 70-76 mm to 101. The only known prototype of this ruble collectors call "Simonovski".
Only two known authentic version of "Sestroretsky" rubles with the date "1770" and "1771", one of large diameter with the date "1771", two official remake, and a number of fakes and copies.