Nicaragua
A mostrar agora: Nicaragua - Selos Postais (1862 - 2021) - 1 selos.
1971
Airmail - Physical Laws and Mathematical Formulas
15. Maio WM: Nada Gravura: De La Rue. Perfuração: 13
![[Airmail - Physical Laws and Mathematical Formulas, type AIL]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Nicaragua/Postage-stamps/AIL-s.jpg)
![[Airmail - Physical Laws and Mathematical Formulas, type AIM]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Nicaragua/Postage-stamps/AIM-s.jpg)
![[Airmail - Physical Laws and Mathematical Formulas, type AIN]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Nicaragua/Postage-stamps/AIN-s.jpg)
![[Airmail - Physical Laws and Mathematical Formulas, type AIO]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Nicaragua/Postage-stamps/AIO-s.jpg)
![[Airmail - Physical Laws and Mathematical Formulas, type AIP]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Nicaragua/Postage-stamps/AIP-s.jpg)
| No. | Tipo | D | Cor | Descrição |
|
|
|
|
|
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1668 | AIL | 25C | Multicolorido | Napier's Law, logarithms | 0,27 | - | 0,27 | - | USD |
|
|
||||||
| 1669 | AIM | 30C | Multicolorido | Pythagorean theorem | 0,27 | - | 0,27 | - | USD |
|
|
||||||
| 1670 | AIN | 40C | Multicolorido | Boltzmann equation | 0,27 | - | 0,27 | - | USD |
|
|
||||||
| 1671 | AIO | 1Cord | Multicolorido | de Broglie hypothesis | 0,82 | - | 0,27 | - | USD |
|
|
||||||
| 1672 | AIP | 2Cord | Multicolorido | Archimedes’ principle | 1,09 | - | 0,82 | - | USD |
|
|
