Now showing: Guyana - Postage stamps (1970 - 1979) - 108 stamps.
15. November WM: 3 Perforation: 13½ x 14
3. April WM: 3 Perforation: 14
20. July WM: 3 Perforation: 14
18. October WM: 3 Perforation: 13½
23. February WM: 3 Perforation: 14½
1. October WM: 3 Perforation: 14 x 14½
23. February WM: 3 Perforation: 14
18. March WM: None
8. April WM: 3 Perforation: 14
18. June WM: 3 Perforation: 14½
2. May WM: 3 Perforation: 14¼
1. July WM: 3 Perforation: 14½
14. November WM: 3 Perforation: 14½
29. March WM: 3 Perforation: 14½