Year/Period |
1985 |
Country |
United Nations |
Category |
Various |
Subcategory |
Stamps |
Theme |
Microscope, science |
State |
Mint |
Inventory number |
SMD 25 |
VN-Universität – Forschung.

Carl Zeiss, West Germany
1988

Christiaan Huygens

Luctor N.V., Baarn

Het Lancet N.V., Amsterdam, the Netherlands
1938