Physical Laws and Mathematical Formulas 1971
Ora in esposizione: Nicaragua - Francobolli postali - 1971 - Physical Laws and Mathematical Formulas - 5 francobolli.
1971
Physical Laws and Mathematical Formulas
15. Maggio WM: Nessuno Incisione: De La Rue. Dentellatura: 13
![[Physical Laws and Mathematical Formulas, Scrivi AIG]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AIG-s.jpg)
![[Physical Laws and Mathematical Formulas, Scrivi AIH]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AIH-s.jpg)
![[Physical Laws and Mathematical Formulas, Scrivi AII]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AII-s.jpg)
![[Physical Laws and Mathematical Formulas, Scrivi AIJ]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AIJ-s.jpg)
![[Physical Laws and Mathematical Formulas, Scrivi AIK]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/AIK-s.jpg)
| Numero | Tipo | D | Colore | Descrizione |
|
|
|
|
|
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1663 | AIG | 10C | multicolore | Using fingers to count | 0,29 | - | 0,29 | - | USD |
|
|
||||||
| 1664 | AIH | 15C | multicolore | Newton's Law of Gravity | 0,29 | - | 0,29 | - | USD |
|
|
||||||
| 1665 | AII | 20C | multicolore | Einstein's Theory | 0,29 | - | 0,29 | - | USD |
|
|
||||||
| 1666 | AIJ | 1Cord | multicolore | Tsiolkovsky Rocket Equation | 0,88 | - | 0,59 | - | USD |
|
|
||||||
| 1667 | AIK | 2Cord | multicolore | Maxwell's Law | 1,76 | - | 1,17 | - | USD |
|
|
||||||
| 1663‑1667 | 3,51 | - | 2,63 | - | USD |
