Stamps of San Marino, scientists (1982) design type, missing design, not overprinted
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postage
1982, Apr 21 Pioneers of Science issue - scientists (1982) unwmk (no perf info)
| - | 300l | multi | Guglielmo Marconi | |||
| - | 450l | multi | Hippocrates | |||
| - | 5000l | multi | Galileo Galilei |
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