United Nations Environmental Conservation Conference, Stockholm 1972
Now showing: Tunisia - Postage stamps - 1972 - United Nations Environmental Conservation Conference, Stockholm - 1 stamps.
5. June WM: None Perforation: 13 x 12¾
![[United Nations Environmental Conservation Conference, Stockholm, type MM]](https://www.stampworld.com/media/catalogue/Tunisia/Postage-stamps/MM-s.jpg)
Now showing: Tunisia - Postage stamps - 1972 - United Nations Environmental Conservation Conference, Stockholm - 1 stamps.
5. June WM: None Perforation: 13 x 12¾
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