Is one of the rarest Russian coins. Belonged to Prince George Mikhailovich Romanov, later occasionally exhibited at the auctions. The last sale was recorded in 2008 in London when she gave 1 550 000 pounds.On the obverse
is a portrait of Elizabeth I, in profile, face to the right. Under the portrait letters "СПБ"(Saint-Petersburg). In a circle the inscription - "Б•М•ЕЛИСАВЕТЪ•I•IМП•IСАМОД•ВСЕРОС"(stands for "the grace of God Elizabeth I Empress and autocrat of all Russias").On the reverse
in the Central circle there is a simplified depiction of the coat of Arms of the Russian Empire
double - headed eagle with scepter and Orb. There are four large cartouche with images: the crown (left), the Moscow coat of arms (top), coat of arms of the Kingdom of the Siberian (bottom), coat of arms of the Kingdom of Kazan (right). The top cartouche is crowned with the Imperial crown, the other normal crown. Between the cartouches are four small roses, over which digits of the year of minting - "1", "7", "5", "5". In a circle along the rim the inscription, divided into 4 parts (starting from top) - "IМПРСКАЯ""РОССÏИС""МОН•ЦЕНА""ДВАТЦА•РУБ"(Imperial Russian coin price twenty roubles).
Photo from the site: moneta-russia.ru