Democritus (460-370 BC), founder of atomic theory 4.50 ₯ — Greece, 1961
Democritus (460-370 BC), founder of atomic theory (Greece, 1961), face value 4.50 ₯, “Nuclear Energy research” series. Photo, catalogue value, details and…
- Series
- Nuclear Energy research
- Issue date
- 1961
- Face value
- 4.50 ₯
- Colors
- Prussian blue | Ultramarine grey
- Print run
- 557,197
- Yvert
- GR 752
- Michel
- GR 774
- Stanley Gibbons
- GR 876
- Scott
- GR 717