The 23rd Conference of the International Chamber of Commerce in Vienna 1971
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1971
The 23rd Conference of the International Chamber of Commerce in Vienna
16. April Wz: Keine Bogengröße: 50 Design: O. Zeiller Zähnung: 13¾
![[The 23rd Conference of the International Chamber of Commerce in Vienna, Typ AHR]](https://www.stampworld.com/media/catalogue/Austria/Postage-stamps/AHR-s.jpg)
