1987 1 ruble — USSR (1987) — Konstantin Tsiolkovsky
Photo: moi4992 (CC BY-NC-SA) · en.numista.com
- Period
- 1961 Monetary Reform
- Currency
- 1 ruble = 100 kopecks
- Issue type
- Commemorative
- Metal
- Copper-nickel
- Diameter
- 31.0 mm
- Thickness
- 2.3 mm
- Weight
- 12.8 g
- Shape
- Round
- Orientation
- Medal (↑↑)
- Mintage
- 3830000
- Proof mintage
- 170000
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