Year/Period |
1985 |
Country |
United Nations |
Category |
Various |
Subcategory |
Stamps |
Theme |
Microscope, science |
State |
Mint |
Inventory number |
SMD 25 |
VN-Universität – Forschung.
Education day, UAR
1961
Filmstrips Luctor Baarn
1955-1958
Luctor N.V., Baarn
TNO, Delft, the Netherlands