Viser nå: Costa Rica - Postfrimerker (1863 - 2023) - 14 frimerker.
1. February VM: Ingen Perforering: 13½
10. April VM: Ingen Perforering: 10½
6. June VM: Ingen Perforering: 11¾
27. June VM: Ingen Perforering: 10½
16. September VM: Ingen Perforering: 13¼
26. September VM: Ingen Perforering: 10½
17. October VM: Ingen Perforering: 10½
18. November VM: Ingen Perforering: 10½
28. November VM: Ingen Perforering: 13¼
26. December VM: Ingen Perforering: 10½