Now showing: Costa Rica - Postage stamps (1990 - 1999) - 13 stamps.
2. July WM: None Perforation: 10½
9. July WM: None Perforation: 10½
21. September WM: None Perforation: 13¾
7. October WM: None Perforation: 13¾
29. October WM: None Perforation: 13¼
5. November WM: None Perforation: 10½
1. December WM: None Perforation: 11¼
1. December WM: None Perforation: 13¼
1. December WM: None Perforation: 13¼
1. December WM: None Perforation: 13¼