Wissenschaft
![Grönland 1990](/image/52571/base250X250/groenland-1990-groenlands-miljoefond-400-plus-50-oere-4-block-g-131.jpg)
Grönland, Michel 208, Postfrisch
1990. GRØNLANDS MILJØFOND. 400 + 50 ØRE. 4-Block. G 131.
![Liechtenstein 1937](/image/52698/base250X250/liechtenstein-1937-flugpost-10-plus-50-rp-schaan-liechtenstein-5-ii-37-nachnahme.jpg)
Liechtenstein, Michel 135 + 144 + 147, Brief
1937. FLUGPOST. 10 + 50 Rp. SCHAAN (LIECHTENSTEIN) -5. II. 37. Nachnahme Frs. 2,- in Sweden: Pf 1 Kr. 84 öre to Helsingborg, Sweden.
![Liechtenstein 1939](/image/52700/base250X250/liechtenstein-1939-flugpost-10-plus-15-plus-20-plus-30-plus-50-rp-triesenberg.jpg)
Liechtenstein, Michel 173-177, Brief
1939. FLUGPOST. 10 + 15 + 20 + 30 + 50 Rp. TRIESENBERG (LIECHTENSTEIN) -5. IV. 39. to Västerås, Sweden.
![Liechtenstein 1958](/image/52704/base250X250/liechtenstein-1958-baume-20-plus-50-plus-90-rp-fdc-vaduz-12-viii-58-to-klippan.jpg)
Liechtenstein, Michel 371-373, Brief
1958. BÂUME. 20 + 50 + 90 Rp. FDC VADUZ 12. VIII. 58. to Klippan, Sweden. Nachnahme Fr. 6,45