Country:

Soviet Union, USSR

Series:

1965~1991 - U.S.S.R. Commemorative

Catalog codes:

World Coins y205

Themes:

Geometric Shapes | Inventors | Rockets | Scientists | Stars | Theologians

Issued on:

1987-09-17

Last issue date:

1987-09-17

Distribution:

Circulating Commemorative

Composition:

Copper-Nickel-Zinc (Cu-Ni-Zn)

Edge:

Lettered-Signs-Numbers (plain)

Orientation:

Medal alignment ↑O↑

Shape:

Circular

Rim:

Raised. Not decorated. Both sides

Weight:

12.8 grams

Diameter:

31 mm

Face value:

1 Soviet ruble

Known mintage:

proof 170,000 - rare

error - very rare!!!

Composition Details:

75% copper, 25% nickel

Score:

25% Accuracy: Very High

Description:

Constantin Tsiolkovsky

NB - триъгалнот полето под дясната ръка е матирано!