Coin sample 1779 (with portrait of Catherine II in adulthood). Was produced in 1779, 1781 and in the years 1783-1793. In a circle the front and back of a rim with notches (on some coins may partially be absent, it is not a marriage).On the obverse
is a portrait of Catherine II in profile, face to the right. Under the portrait letters "СПБ"(Saint-Petersburg). In a circle the inscription - "Б•М•ЕКАТЕРИНА•II•IМП•ИСАМОД•ВСЕРОС"(stands for "the grace of God Catherine II Empress and autocrat of all Russias").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. Under the clutches of an eagle letters "Я А"(initials of mintmaster mint). At the top in a semicircle the year of issue "1787". At the bottom a semicircle of nominal - "ПОЛУПОЛТИННИКЪ"(letters converted basis inside).
Varieties of polupoltinnik sample 1779:Portrait with long neck:
1779 (St. PETERSBURG);
1779 (ST. PETERSBURG FL);
1779 (SPB AG);Portrait with a short neck:
1783-1784 (ST. PETERSBURG MM);
1785-1793 (SPB YAA);
1794-1795 (SPB AK);
1796 (SPB IC).