Grenada
Viser nå: Grenada - Postfrimerker (1861 - 2021) - 1 frimerker.
1987
Great Scientific Discoveries
9. September VM: Ingen Perforering: 14
Nr. | Type | D | farge | Beskrivelse | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1713 | AYY | 50C | mangefarget | Isaac Newton holding Apple (Law of Gravity) | 1.09 | - | 1.09 | - | USD | ||||||||
1714 | AYZ | 1.10$ | mangefarget | John Jacob Berzelius and Symbols of Chemical Elements | 2.18 | - | 2.18 | - | USD | ||||||||
1715 | AZA | 2$ | mangefarget | Robert Boyle (Law of Pressure and Volume) | 3.26 | - | 3.26 | - | USD | ||||||||
1716 | AZB | 3$ | mangefarget | James Watt and Drawing of Steam Engine | 4.35 | - | 4.35 | - | USD |