International Conference "Cancun 81" - Issue of 1978 Overprinted "Cancun 81 50c" and Surcharged 1981
Now showing: Guyana - Postage stamps - 1981 - International Conference "Cancun 81" - Issue of 1978 Overprinted "Cancun 81 50c" and Surcharged - 1 stamps.
1981
International Conference "Cancun 81" - Issue of 1978 Overprinted "Cancun 81 50c" and Surcharged
16. November WM: 3 Perforation: 13½ x 13
![[International Conference "Cancun 81" - Issue of 1978 Overprinted "Cancun 81 50c" and Surcharged, type LZ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Guyana/Postage-stamps/LZ-s.jpg)
