Viser nå: Costa Rica - Postfrimerker (1863 - 2023) - 21 frimerker.
3. January VM: Ingen Perforering: 16
1. March VM: Ingen Perforering: 10½
17. May VM: Ingen Perforering: 13½
30. May VM: Ingen Perforering: 10¾
30. June VM: Ingen Perforering: 16
21. July VM: Ingen Perforering: 11¼
22. July VM: Ingen Perforering: 16
23. September VM: Ingen
5. December VM: Ingen Perforering: 13¼
19. December VM: Ingen Perforering: 13¼