From 1756 to 1779 were issued gold coins of non-standard denominations - poltina, rouble, and 2 roubles. They had a limited circulation among government officials, and was also used for overseas payments. Poltina with a portrait of Catherine II was made in 1777-1778. The circumference of the front and back sides, a rim consisting of teeth.
On the obverse is a portrait of Catherine II in profile, face to the right. In a circle the inscription, divided into two parts - "ЕКАТЕРИ НА•II•IМП•"
The reverse shows the monogram of Catherine II, consisting of the letters "Е"(Catherine) and "А"(A.). Upstairs the Imperial crown. In a circle the inscription, divided into two parts - "ПОЛТИ НА•1778"