File:1966 CPA 3318-3320 triangle.png
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- 1966 all stamps of the Soviet Union
- Exploration of Antarctica on stamps of the Soviet Union
- Exploration of Antarctica by the Soviet Union
- Ships on stamps of the Soviet Union
- Penguins on stamps
- Triangular stamps of the Soviet Union
- Scientific stations in Antarctica
- Maps of scientific stations in Antarctica on stamps
- Antarctica on stamps
- Birds on stamps of the Soviet Union