| Number | X# M21 |
|---|---|
| Country | USSR |
| Period | Soviet Union (1961 - 1991) |
| Currency | Soviet ruble |
| Coin type | Tokens (probes) |
| Denomination | 1 ruble |
| Year | 1988 |
| Subject | Disarmament Ruble / Dollar |
| Edge type | Smooth |
| Shape | Round |
| Alignment | Medal (0°) |
| Composition | Aluminium-Titan |
| Weight (g) | 9,12 |
| Diameter (mm) | 40 |
| Thickness (mm) | 3,2 |
Obverse:
 | Event Legend |
|---|
Reverse
 | Event Legend Currencies& Foreign Exchange |
|---|