Nicaragua
Now showing: Nicaragua - Postage stamps (1862 - 2021) - 1 stamps.
1971
Physical Laws and Mathematical Formulas
15. May WM: None Engraving: De La Rue. Perforation: 13
No. | Type | D | Color | Description | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1663 | AIG | 10C | multicoloured | Using fingers to count | 0.28 | - | 0.28 | - | USD | ||||||||
1664 | AIH | 15C | multicoloured | Newton's Law of Gravity | 0.28 | - | 0.28 | - | USD | ||||||||
1665 | AII | 20C | multicoloured | Einstein's Theory | 0.28 | - | 0.28 | - | USD | ||||||||
1666 | AIJ | 1Cord | multicoloured | Tsiolkovsky Rocket Equation | 0.84 | - | 0.56 | - | USD | ||||||||
1667 | AIK | 2Cord | multicoloured | Maxwell's Law | 1.68 | - | 1.12 | - | USD |