Nobel Prize
Country: | Sweden |
Quality: | MNH |
Year of issue: | 1972 |
Michel number: | 786-789 |
Astronomy
Country: | Poland |
Quality: | Postal stationery |
Year of issue: | 1972 |
Inventors and inventions
Country: | France |
Quality: | MNH |
Year of issue: | 1972 |
Michel number: | 1799-1800 |
Physics
Country: | France |
Quality: | FDC |
Year of issue: | 1972 |
Michel number: | 1799 |
Physics
Country: | France |
Quality: | Cancelled |
Year of issue: | 1972 |
Michel number: | marvie1799-1780 |
Physics
Country: | France |
Quality: | FDC |
Year of issue: | 1972 |
Michel number: | S1799 |
Physics
Country: | France |
Quality: | FDC |
Year of issue: | 1972 |
Michel number: | 1799 |
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