Physics
Country: | Sweden |
Quality: | MNH |
Year of issue: | 1978 |
Michel number: | 1051-1052 |
Chemistry
Country: | Poland |
Quality: | Postal stationery |
Year of issue: | 1978 |
Nobel Prize
Country: | Ivory Coast |
Quality: | MNH |
Year of issue: | 1978 |
Michel number: | 546-550B |
Writers / Poets
Country: | Germany, Democratic... |
Quality: | MNH |
Year of issue: | 1978 |
Michel number: | 2336-2342 |
Chemistry
Country: | Austria |
Quality: | FDC |
Year of issue: | 1987 |
Michel number: | 1889 |
Mathematics
Country: | Soviet Union, USSR |
Quality: | MNH |
Year of issue: | 1987 |
Michel number: | 5757-5759 |
Chemistry
Country: | Czechoslovakia |
Quality: | MNH |
Year of issue: | 1987 |
Michel number: | 2906 |
Chemistry
Country: | Austria |
Quality: | MNH |
Year of issue: | 1987 |
Michel number: | 1889 |
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