Year/Period |
1961 |
Country |
United Arab Republic (UAR) |
Category |
Various |
Subcategory |
Stamps |
Theme |
Microscope, education |
State |
Mint |
Inventory number |
SMD 33 |
Robert Koch, Maldives
1982
Robert Koch, Algeria
1982
Kunst, the Netherlands
1989-1990
Carl Zeiss, Jena, Germany