Stamps of Japan, 30 Aug 1986
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postage
1986, Aug 30 11th International Congress of Electron Microscopy issue unwmk (no perf info)
| - | 60y | multi | electron microscope | — | — |
1986, Aug 30 23rd International Conference on Social Welfare issue
| - | 60y | multi | Couple and Conference Emblem | — | — |
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