Guyana
Viser nu Guyana - Post frimærker (1966 - 2024) - 2 frimærker.
1987
The 500th Anniversary of Discovery of America 1992 - Overprinted and Surcharged
9. oktober VM: Ingen
1987
Halley's Comet - Overprinted & Surcharged
9. oktober VM: Ingen Arkstørrelse: 1 Perforeringer: Imperforated