Rare gold rouble coin, struck St. Petersburg mint at 1779, under Catherine II as Empress of Russia.
Obverse: Crowned and draped bust of Empress Catherine II of Russia right.
Reverse: Crown above crowned double-headed imperial eagle, with oval shield depicting St. George killing the dragon at chest.
Weight: 1.23 gram of Gold(.917) - 0.0383 oz AGW, Diameter: 15mm
Reference: Friedberg 135, Bitkin 115 (R!), Severin 322, Uzdenikov 4088, KM-76. RR