UN New York
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1969
The 20th Anniversary of Session of U.N. International Law Commission
21. April Wz: Keine Zähnung: 11¾
![[The 20th Anniversary of Session of U.N. International Law Commission, Typ DZ]](https://www.stampworld.com/media/catalogue/UN-New-York/Postage-stamps/DZ-s.jpg)
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