Viser nå: USA - Postfrimerker (1847 - 2024) - 18 frimerker.
15. March VM: Ingen Perforering: 10½ x 11
17. April VM: Ingen Perforering: 11 x 10½
28. April VM: Ingen Perforering: 11 x 10½
11. May VM: Ingen Perforering: 11 x 10½
31. May VM: Ingen Perforering: 11
12. June VM: Ingen Perforering: 11 x 10½
25. June VM: Ingen Perforering: 10½ x 11
VM: Ingen Perforering: 10½ x 11 and 11
15. August VM: Ingen Perforering: 11 x 10½
27. August VM: Ingen Perforering: 11 x 10½
September VM: Ingen Perforering: 10½ x 11 and 11
22. September VM: Ingen Perforering: 10½ x 11
10. October VM: Ingen Perforering: 11 x 10½
16. October VM: Ingen Perforering: 10½ x 11
27. October VM: Ingen Perforering: 11
25. November VM: Ingen Perforering: 11 x 10½