Viser nå: USA - Postfrimerker (1847 - 2024) - 9 frimerker.
15. January VM: Ingen Perforering: 10½ x 11
12. February VM: Ingen Perforering: 11 x 10½
23. February VM: Ingen Perforering: 11 x 10½
21. May VM: Ingen Perforering: 11 x 10½
21. June VM: Ingen Perforering: 10½ x 11
28. June VM: Ingen Perforering: 11 x 10½
28. July VM: Ingen Perforering: 11 x 10½
18. September VM: Ingen Perforering: 11 x 10½
20. December VM: Ingen Perforering: 11 x 10½