Grenada
Visar nu: Grenada - Postfrimärken (1861 - 2021) - 1 frimärken.
1987
Great Scientific Discoveries
9. september WM: Inga Perforering: 14
Nummer | Typ | D | Färg | Beskrivning | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1713 | AYY | 50C | flerfärgad | Isaac Newton holding Apple (Law of Gravity) | 1,11 | - | 1,11 | - | USD | ||||||||
1714 | AYZ | 1.10$ | flerfärgad | John Jacob Berzelius and Symbols of Chemical Elements | 2,22 | - | 2,22 | - | USD | ||||||||
1715 | AZA | 2$ | flerfärgad | Robert Boyle (Law of Pressure and Volume) | 3,33 | - | 3,33 | - | USD | ||||||||
1716 | AZB | 3$ | flerfärgad | James Watt and Drawing of Steam Engine | 4,44 | - | 4,44 | - | USD |