Viser nå: Costa Rica - Postfrimerker (1920 - 1929) - 8 frimerker.
17. June VM: Ingen Perforering: 11½
24. July VM: Ingen Perforering: 12
15. September VM: Ingen Perforering: 11
15. September VM: Ingen Perforering: 11½
Viser nå: Costa Rica - Postfrimerker (1920 - 1929) - 8 frimerker.
17. June VM: Ingen Perforering: 11½
24. July VM: Ingen Perforering: 12
15. September VM: Ingen Perforering: 11
15. September VM: Ingen Perforering: 11½