Nikaraagua
Praegu kuvatakse: Nikaraagua - postmargid (1862 - 2021) - 1 margid.
1971
Physical Laws and Mathematical Formulas
15. mai WM: mitte ükski Gravüür: De La Rue. perforatsioon: 13
![[Physical Laws and Mathematical Formulas, Tüüp AIG]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Nicaragua/Postage-stamps/AIG-s.jpg)
![[Physical Laws and Mathematical Formulas, Tüüp AIH]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Nicaragua/Postage-stamps/AIH-s.jpg)
![[Physical Laws and Mathematical Formulas, Tüüp AII]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Nicaragua/Postage-stamps/AII-s.jpg)
![[Physical Laws and Mathematical Formulas, Tüüp AIJ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Nicaragua/Postage-stamps/AIJ-s.jpg)
![[Physical Laws and Mathematical Formulas, Tüüp AIK]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Nicaragua/Postage-stamps/AIK-s.jpg)
| Nr | Tüüp | D | Värv | Kirjeldus |
|
|
|
|
|
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1663 | AIG | 10C | mitmevärviline | Using fingers to count | 0,27 | - | 0,27 | - | USD |
|
|
||||||
| 1664 | AIH | 15C | mitmevärviline | Newton's Law of Gravity | 0,27 | - | 0,27 | - | USD |
|
|
||||||
| 1665 | AII | 20C | mitmevärviline | Einstein's Theory | 0,27 | - | 0,27 | - | USD |
|
|
||||||
| 1666 | AIJ | 1Cord | mitmevärviline | Tsiolkovsky Rocket Equation | 0,81 | - | 0,54 | - | USD |
|
|
||||||
| 1667 | AIK | 2Cord | mitmevärviline | Maxwell's Law | 1,62 | - | 1,08 | - | USD |
|
|
