The coin produced in small editions in 1762, has varieties. In a circle front and back sides, a rim with prongs facing inward (on some coins may partially be absent, it is not a marriage).On the obverse
is a portrait of Peter III in profile, face to the right. Under the portrait letters "СПБ"(Saint-Petersburg). In a circle the inscription - "ПЕТРЪ•III•Б•М•IМПЕРАТОРЪ"(stands for "Peter III, by the grace of God Emperor").The reverse
depicts the coat of arms of the Russian Empire
of second half XVIII century: the double-headed eagle with the lifted wings, crowned by two Imperial crowns, above the same crown but larger. Right Talon the eagle holds a scepter, the left power. On the eagle's breast shield with the Moscow coat of arms: St. George on horseback slaying a serpentine dragon with wings. The shield surrounded by chain of Order of St. Andrew. At the top of the semicircle indicated the year of coinage - ".1762" (numbers divided into 2 parts). Below in a semicircle the inscription - "IСАМОДЕРЖ.ВСЕРОСИСКIИ"(letters converted basis inside).
Photo source: moneta-russia.ru