Technical Co-operation among Developing Countries 1978
Now showing: UN New York - Postage stamps - 1978 - Technical Co-operation among Developing Countries - 2 stamps.
Now showing: UN New York - Postage stamps - 1978 - Technical Co-operation among Developing Countries - 2 stamps.
![[Technical Co-operation among Developing Countries, type GV]](https://www.stampworld.com/media/catalogue/UN-New-York/Postage-stamps/GV-s.jpg)
![[Technical Co-operation among Developing Countries, type GV1]](https://www.stampworld.com/media/catalogue/UN-New-York/Postage-stamps/GV1-s.jpg)
