Pioneers of Science 1983
Now showing: San Marino - Postage stamps - 1983 - Pioneers of Science - 6 stamps.
1983
Pioneers of Science
24. February WM: None Sheetsize: 40 Design: A. Titonel Engraving: I.P.Z.S. Roma Perforation: 14¼ x 13¼
![[Pioneers of Science, type AIO]](https://www.stampworld.com/media/catalogue/San-Marino/Postage-stamps/AIO-s.jpg)
![[Pioneers of Science, type AIP]](https://www.stampworld.com/media/catalogue/San-Marino/Postage-stamps/AIP-s.jpg)
![[Pioneers of Science, type AIQ]](https://www.stampworld.com/media/catalogue/San-Marino/Postage-stamps/AIQ-s.jpg)
![[Pioneers of Science, type AIR]](https://www.stampworld.com/media/catalogue/San-Marino/Postage-stamps/AIR-s.jpg)
![[Pioneers of Science, type AIS]](https://www.stampworld.com/media/catalogue/San-Marino/Postage-stamps/AIS-s.jpg)
![[Pioneers of Science, type AIT]](https://www.stampworld.com/media/catalogue/San-Marino/Postage-stamps/AIT-s.jpg)
| No. | Type | D | Color | Description |
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| 1280 | AIO | 150(L) | multicoloured | Alexander Fleming | (500000) | 0.26 | - | 0.26 | - | USD |
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| 1281 | AIP | 250(L) | multicoloured | Alessandro Volta | (500000) | 0.26 | - | 0.26 | - | USD |
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| 1282 | AIQ | 350(L) | multicoloured | Evangelista Torricelli | (500000) | 0.26 | - | 0.26 | - | USD |
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| 1283 | AIR | 400(L) | multicoloured | Carl Linnaeus | (500000) | 0.52 | - | 0.52 | - | USD |
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| 1284 | AIS | 1000(L) | multicoloured | Pythagoras | (500000) | 0.78 | - | 0.78 | - | USD |
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| 1285 | AIT | 1400(L) | multicoloured | Leonardo da Vinci | (500000) | 1.04 | - | 1.04 | - | USD |
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| 1280‑1285 | 3.12 | - | 3.12 | - | USD |
