Now showing: Guyana - Postage stamps (1970 - 1979) - 208 stamps.
3. April WM: 3 Perforation: 14
20. July WM: 3 Perforation: 14
25. August WM: 3 Perforation: 14
18. October WM: 3 Perforation: 13½
23. February WM: 3 Perforation: 14½
19. April WM: 3 Perforation: 14½
20. August WM: 3 Perforation: 13
1. October WM: 3 Perforation: 14 x 14½
20. November WM: 3 Perforation: 14
23. February WM: 3 Perforation: 14
18. March WM: None
8. April WM: 3 Perforation: 14
18. June WM: 3 Perforation: 14½
1. August WM: 3 Perforation: 14½