Now showing: Nicaragua - Postage stamps (1970 - 1979) - 538 stamps.
March WM: None
![[Previous Issue Overprinted "RESELLO" and Surcharged, type AIF]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AIF-s.jpg)
![[Airmail - Previously Issued Stamps Overprinted "RESELLO", type ZII]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/ZII-s.jpg)
![[Airmail - Previously Issued Stamps Overprinted "RESELLO", type ZIN]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/ZIN-s.jpg)
![[Airmail - Previously Issued Stamps Overprinted "RESELLO", type ZIP]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/ZIP-s.jpg)
![[Airmail - Previously Issued Stamps Overprinted "RESELLO", type ZIR]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/ZIR-s.jpg)
![[Airmail - Previously Issued Stamps Overprinted "RESELLO", type IZS]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/IZS-s.jpg)
![[Airmail - Previously Issued Stamps Overprinted "RESELLO", type ZIT]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/ZIT-s.jpg)
| No. | Type | D | Color | Description |
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| 1649 | ZIG | 0.10/1.05Cord | carmine/multicoloured | 0.52 | - | 0.52 | - | USD |
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| 1650 | ZIH | 0.10/1.05Cord | multicoloured | 0.52 | - | 0.52 | - | USD |
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| 1651 | ZII | 0.10/1.05Cord | multicoloured | 0.52 | - | 0.52 | - | USD |
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| 1652 | ZIJ | 0.15/1.05Cord | reddish brown/bluish green | 0.79 | - | 0.52 | - | USD |
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| 1653 | ZIK | 0.15/1.50Cord | green | 0.79 | - | 0.52 | - | USD |
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| 1654 | ZIL | 0.15/1.50Cord | bluish violet/black | 0.79 | - | 0.52 | - | USD |
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| 1655 | IZM | 0.15/1.50Cord | blackish blue/yellow | 0.79 | - | 0.52 | - | USD |
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| 1656 | ZIN | 0.20/85Cord | red/brownish black | 0.79 | - | 0.79 | - | USD |
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| 1657 | ZIO | 0.20/85Cord | multicoloured | 0.79 | - | 0.79 | - | USD |
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| 1658 | ZIP | 0.25/90Cord | multicoloured | 1.05 | - | 0.79 | - | USD |
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| 1659 | ZIQ | 0.30/1.10Cord | violet/black | 1.57 | - | 1.05 | - | USD |
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| 1660 | ZIR | 0.40/1.10Cord | black/orange brown | 1.57 | - | 1.05 | - | USD |
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| 1661 | IZS | 0.40/1.50Cord | multicoloured | 1.57 | - | 1.05 | - | USD |
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| 1662 | ZIT | 1/1.10Cord | black/dark blue | 5.24 | - | 3.14 | - | USD |
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| 1649‑1662 | 17.30 | - | 12.30 | - | USD |
15. May WM: None Engraving: De La Rue. Perforation: 13
![[Physical Laws and Mathematical Formulas, type AIG]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AIG-s.jpg)
![[Physical Laws and Mathematical Formulas, type AIH]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AIH-s.jpg)
![[Physical Laws and Mathematical Formulas, type AII]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AII-s.jpg)
![[Physical Laws and Mathematical Formulas, type AIJ]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AIJ-s.jpg)
![[Physical Laws and Mathematical Formulas, type AIK]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AIK-s.jpg)
| No. | Type | D | Color | Description |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1663 | AIG | 10C | multicoloured | Using fingers to count | 0.26 | - | 0.26 | - | USD |
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| 1664 | AIH | 15C | multicoloured | Newton's Law of Gravity | 0.26 | - | 0.26 | - | USD |
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| 1665 | AII | 20C | multicoloured | Einstein's Theory | 0.26 | - | 0.26 | - | USD |
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| 1666 | AIJ | 1Cord | multicoloured | Tsiolkovsky Rocket Equation | 0.79 | - | 0.52 | - | USD |
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| 1667 | AIK | 2Cord | multicoloured | Maxwell's Law | 1.57 | - | 1.05 | - | USD |
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| 1663‑1667 | 3.14 | - | 2.35 | - | USD |
15. May WM: None Engraving: De La Rue. Perforation: 13
![[Airmail - Physical Laws and Mathematical Formulas, type AIL]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AIL-s.jpg)
![[Airmail - Physical Laws and Mathematical Formulas, type AIM]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AIM-s.jpg)
![[Airmail - Physical Laws and Mathematical Formulas, type AIN]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AIN-s.jpg)
![[Airmail - Physical Laws and Mathematical Formulas, type AIO]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AIO-s.jpg)
![[Airmail - Physical Laws and Mathematical Formulas, type AIP]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AIP-s.jpg)
| No. | Type | D | Color | Description |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1668 | AIL | 25C | multicoloured | Napier's Law, logarithms | 0.26 | - | 0.26 | - | USD |
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| 1669 | AIM | 30C | multicoloured | Pythagorean theorem | 0.26 | - | 0.26 | - | USD |
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| 1670 | AIN | 40C | multicoloured | Boltzmann equation | 0.26 | - | 0.26 | - | USD |
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| 1671 | AIO | 1Cord | multicoloured | de Broglie hypothesis | 0.79 | - | 0.26 | - | USD |
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| 1672 | AIP | 2Cord | multicoloured | Archimedes’ principle | 1.05 | - | 0.79 | - | USD |
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| 1668‑1672 | 2.62 | - | 1.83 | - | USD |
6. September WM: None Engraving: De La Rue, Colombia. Perforation: 14
![["Is There a Formula for Peace?", type AIQ]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AIQ-s.jpg)
![["Is There a Formula for Peace?", type AIQ1]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AIQ1-s.jpg)
![["Is There a Formula for Peace?", type AIQ2]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AIQ2-s.jpg)
![["Is There a Formula for Peace?", type AIQ3]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AIQ3-s.jpg)
![["Is There a Formula for Peace?", type AIQ4]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AIQ4-s.jpg)
![["Is There a Formula for Peace?", type AIQ5]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AIQ5-s.jpg)
![["Is There a Formula for Peace?", type AIQ6]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AIQ6-s.jpg)
![["Is There a Formula for Peace?", type AIQ7]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AIQ7-s.jpg)
| No. | Type | D | Color | Description |
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| 1673 | AIQ | 10C | black/light blue | 0.26 | - | 0.26 | - | USD |
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| 1674 | AIQ1 | 15C | multicoloured | 0.26 | - | 0.26 | - | USD |
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| 1675 | AIQ2 | 20C | multicoloured | 0.26 | - | 0.26 | - | USD |
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| 1676 | AIQ3 | 40C | multicoloured | 0.26 | - | 0.26 | - | USD |
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| 1677 | AIQ4 | 50C | multicoloured | 0.26 | - | 0.26 | - | USD |
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| 1678 | AIQ5 | 80C | multicoloured | 0.52 | - | 0.52 | - | USD |
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| 1679 | AIQ6 | 1Cord | multicoloured | 0.52 | - | 0.52 | - | USD |
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| 1680 | AIQ7 | 2Cord | multicoloured | 1.05 | - | 1.05 | - | USD |
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| 1673‑1680 | 3.39 | - | 3.39 | - | USD |
15. October WM: None Engraving: Lito Nacional - Porto, Portogallo Perforation: 14
![[Airmail - Birds, type AIR]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AIR-s.jpg)
![[Airmail - Birds, type AIS]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AIS-s.jpg)
![[Airmail - Birds, type AIT]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AIT-s.jpg)
![[Airmail - Birds, type AIU]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AIU-s.jpg)
![[Airmail - Birds, type AIV]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AIV-s.jpg)
![[Airmail - Birds, type AIW]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AIW-s.jpg)
![[Airmail - Birds, type AIX]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AIX-s.jpg)
![[Airmail - Birds, type AIY]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AIY-s.jpg)
![[Airmail - Birds, type AIZ]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AIZ-s.jpg)
![[Airmail - Birds, type AJA]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AJA-s.jpg)
| No. | Type | D | Color | Description |
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| 1681 | AIR | 10C | multicoloured | Psarocolius montezuma | 0.52 | - | 0.52 | - | USD |
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| 1682 | AIS | 15C | multicoloured | Eumomota superciliosa | 0.52 | - | 0.26 | - | USD |
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| 1683 | AIT | 20C | multicoloured | Calocitta formosa | 0.52 | - | 0.26 | - | USD |
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| 1684 | AIU | 25C | multicoloured | Muscivora forficata | 0.52 | - | 0.26 | - | USD |
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| 1685 | AIV | 30C | multicoloured | Icterus pectoralis | 0.52 | - | 0.26 | - | USD |
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| 1686 | AIW | 35C | multicoloured | Campylorhynchus rufinucha | 0.52 | - | 0.26 | - | USD |
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| 1687 | AIX | 40C | multicoloured | Pitangus sulphuratus | 0.52 | - | 0.26 | - | USD |
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| 1688 | AIY | 75C | multicoloured | Cyanerpes cyaneus | 0.52 | - | 0.26 | - | USD |
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| 1689 | AIZ | 1Cord | multicoloured | Quiscalus mexicanus | 0.52 | - | 0.26 | - | USD |
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| 1690 | AJA | 2Cord | multicoloured | Ceryle alcyon | 1.05 | - | 0.26 | - | USD |
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| 1681‑1690 | 5.73 | - | 2.86 | - | USD |
1. November WM: None Perforation: 11
![[Paintings - The Ten Commandments, type AJB]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AJB-s.jpg)
![[Paintings - The Ten Commandments, type AJC]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AJC-s.jpg)
![[Paintings - The Ten Commandments, type AJD]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AJD-s.jpg)
![[Paintings - The Ten Commandments, type AJE]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AJE-s.jpg)
![[Paintings - The Ten Commandments, type AJF]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AJF-s.jpg)
![[Paintings - The Ten Commandments, type AJG]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AJG-s.jpg)
![[Paintings - The Ten Commandments, type AJH]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AJH-s.jpg)
![[Paintings - The Ten Commandments, type AJI]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AJI-s.jpg)
![[Paintings - The Ten Commandments, type AJJ]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AJJ-s.jpg)
| No. | Type | D | Color | Description |
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| 1691 | AJB | 10C | multicoloured | 0.26 | - | 0.26 | - | USD |
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| 1692 | AJC | 15C | multicoloured | 0.26 | - | 0.26 | - | USD |
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| 1693 | AJD | 20C | multicoloured | 0.26 | - | 0.26 | - | USD |
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| 1694 | AJE | 30C | multicoloured | 0.26 | - | 0.26 | - | USD |
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| 1695 | AJF | 35C | multicoloured | 0.26 | - | 0.26 | - | USD |
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| 1696 | AJG | 40C | multicoloured | 0.26 | - | 0.26 | - | USD |
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| 1697 | AJH | 50C | multicoloured | 0.26 | - | 0.26 | - | USD |
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| 1698 | AJI | 60C | multicoloured | 0.52 | - | 0.52 | - | USD |
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| 1699 | AJJ | 75C | multicoloured | 0.79 | - | 0.79 | - | USD |
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| 1691‑1699 | 3.13 | - | 3.13 | - | USD |
