Mobius Symbol 5 Brazilian centavo — Brazil, 1967
Mobius Symbol (Brazil, 1967), face value 5 Brazilian centavo, “Sixth Brazilian Mathematical Congress. Rio de Janeiro” series. Photo, catalogue value…
- Series
- Sixth Brazilian Mathematical Congress. Rio de Janeiro
- Issue date
- 1967
- Face value
- 5 Brazilian centavo
- Colors
- Bluish black
- Print run
- 3,000,000