Viser nå: USA - Postfrimerker (1950 - 1959) - 13 frimerker.
15. January VM: Ingen Perforering: 11 x 10½
15. January VM: Ingen Design: Charles Chickering Gravering: Matthew Fenton Perforering: 11 x 10½
28. February VM: Ingen Perforering: 11 x 10½
4. March VM: Ingen Perforering: 11 x 10½
4. April VM: Ingen Perforering: 11 x 10½
15. May VM: Ingen Perforering: 11 x 10½
13. June VM: Ingen Perforering: 11 x 10½
11. August VM: Ingen Perforering: 10½ x 11
6. September VM: Ingen Perforering: 11 x 10½
11. September VM: Ingen Perforering: 11 x 10½
11. September VM: Ingen Perforering: 11 x 10½
4. October VM: Ingen Perforering: 11 x 10½
21. November VM: Ingen Perforering: 11 x 10½