Viser nå: USA - Postfrimerker (1950 - 1959) - 14 frimerker.
17. January VM: Ingen Perforering: 10½ x 11
5. April VM: Ingen Perforering: 11 x 10½
28. April VM: Ingen Perforering: Imperforated
30. April VM: Ingen Perforering: 11 x 10½
VM: Ingen Design: Robert Warren Hines, Victor S. McCloskey, Jr Gravering: John S. Edmondson, Matthew Daniel Fenton Perforering: 11 x 10½
27. June VM: Ingen Design: Robert I. Miller, Jr Gravering: Charles A. Brooks, John S. Edmondson Perforering: 10½ x 11
5. August VM: Ingen Perforering: 11 x 10½
3. September VM: Ingen Design: Victor S. McCloskey, Jr Gravering: Charles A. Brooks, John S. Edmondson, Richard M. Bower Perforering: 10½ x 11
22. September VM: Ingen Perforering: 11 x 10½
24. September VM: Ingen Design: Charles Ransom Chickering Gravering: Arthur W. Dintaman, Robert J. Jones Perforering: 10½ x 11
15. December VM: Ingen Perforering: 11 x 10½
