10 Kopeks 1922 UNC Coin Soviet Union USSR Y# 80 Posted on February 13, 2024 by admin Krause number Y # 80. The country of the USSR. Perrier Soviet Republic (RSFSR) (1921 – 1923). Coin type Circulation coins. Material Silver 0.500. Obverse / Reverse Medal (0 °). Weight (d) 1.8. Diameter (mm) 17.27. Thickness (mm) 1.2.