Naturvidenskab
![Østrig 1952](/image/53247/base250X250/oestrig-1952-flugpost-20-s-adler-weisser-white-paper-1959.jpg)
Østrig, Postfrisk -MNH
1952. Flugpost.. 20 S. Adler. Weisser/White Paper. 1959.
Michel 968y
![Østrig 1952](/image/53248/base250X250/oestrig-1952-flugpost-20-s-adler-weisser-white-paper-1959.jpg)
Østrig, Postfrisk -MNH
1952. Flugpost.. 20 S. Adler. Weisser/White Paper. 1959.
Michel 968y
![Østrig 1952](/image/53249/base250X250/oestrig-1952-flugpost-20-s-adler-weisser-white-paper-1959.jpg)
Østrig, Postfrisk -MNH
1952. Flugpost.. 20 S. Adler. Weisser/White Paper. 1959.
Michel 968y
![Grønland 1957](/image/52670/base250X250/groenland-1957-havets-moder-60-oere-4-block-1782.jpg)
Grønland, Michel 39, Postfrisk -MNH
1957. Havets Moder. 60 Øre. 4-Block 1782.
Scott 43
Afa 39a
![Grønland 1990](/image/52571/base250X250/groenland-1990-groenlands-miljoefond-400-plus-50-oere-4-block-g-131.jpg)
Grønland, Michel 208, Postfrisk -MNH
1990. GRØNLANDS MILJØFOND. 400 + 50 ØRE. 4-Block. G 131.