The 100th Anniversary of the German Ornithological Observatorie in Seebach 2008
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2008
The 100th Anniversary of the German Ornithological Observatorie in Seebach
10. april WM: Geen Bladformaat: 10 Ontwerp: Glinski Perforatie: 14
![[The 100th Anniversary of the German Ornithological Observatorie in Seebach, type CMX]](https://www.stampworld.com/media/catalogue/Germany/Postage-stamps/CMX-s.jpg)
