| Issuer | Soviet Union |
| Year | 1977-1988 |
| Type | Circulating commemorative coin |
| Value | 1 Rouble (1 SUR) |
| Currency | Rouble (1961-1991) |
| Composition | Nickel silver |
| Weight | 12.8 g |
| Dimensions | 31 mm |
| Thickness | 2.3 mm |
| Shape and Technique | Round Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | Obverse: V. Ermokov Reverse: V.P. Zaitsev |
| In circulation to | 1991 |
| Reference(s) | Y#143.1, Y#143.2, Schön#92 |
| Obverse description | The State Emblem of the Soviet Union; value. |
| Obverse script | Cyrillic |
| Obverse lettering | СС СР
1
РУБЛЬ (Translation: US SR 1 Rouble) |
| Reverse description | Lenin`s head on a flag connected to the monument `To the Conquerors of Space` left above ship `Aurora`, dates below. Model of atom in front of Lenin`s head, symbolized Soviet science progress. |
| Reverse script | Cyrillic |
| Reverse lettering | 1917 1977 |
| Edge | Smooth with inscription. |
| Mint | |
| Mintage | 1977 - First issue with lithium atom (see above) recalled from circulation - 1977 - Y#143.1 - 4 987 000 1977 - Y#143.1; Proof - 1977 - Y#143.1; Prooflike - 1988 - Y#143.2; Proof restrike, dated as 1977, edge `1988.N.` - 55 000 |
| Catalog ID | 3325991390 |
| Comments |
