American Inventors 1983
Menampilkan: Amerika Serikat - Prangko - 1983 - American Inventors - 4 prangko.
1983
American Inventors
21. September WM: Tiada Desain: D. Lyall. Ukiran: Bureau of Engraving & Printing. Perforasi: 11
![[American Inventors, Tipe ]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/1805-b.jpg)
| No. | Tipe | D | Warna | Deskripsi |
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| 1805 | BDO | 20C | oranye/hitam | Charles Steinmetz, 1865-1923, and Curve on Graph | (48 mill) | 0,29 | - | 0,29 | 0,88 | USD |
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| 1806 | BDP | 20C | oranye/hitam | (48 mill) | 0,29 | - | 0,29 | 0,88 | USD |
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| 1807 | BDQ | 20C | oranye/hitam | (48 mill) | 0,29 | - | 0,29 | 0,88 | USD |
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| 1808 | BDR | 20C | oranye/hitam | (48 mill) | 0,29 | - | 0,29 | 0,88 | USD |
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| 1805‑1808 | Block of 4 | 1,77 | - | 1,18 | 3,53 | USD | |||||||||||
| 1805‑1808 | 1,16 | - | 1,16 | 3,52 | USD |
