Viser nå: USA - Postfrimerker (1920 - 1929) - 5 frimerker.
11. January VM: Ingen Perforering: 11
10. May VM: Ingen Arkstørrelse: 200 Perforering: 11
29. May VM: Ingen Perforering: 11
18. October VM: Ingen Perforering: 11
Viser nå: USA - Postfrimerker (1920 - 1929) - 5 frimerker.
11. January VM: Ingen Perforering: 11
10. May VM: Ingen Arkstørrelse: 200 Perforering: 11
29. May VM: Ingen Perforering: 11
18. October VM: Ingen Perforering: 11