Viser nu USA - Post frimærker (1950 - 1959) - 142 frimærker.
3. juni VM: Ingen Perforeringer: 11 x 10½
30. juni VM: Ingen Perforeringer: 11 x 10½
4. juli VM: Ingen Perforeringer: 11 x 10½
30. maj VM: Ingen Perforeringer: 11 x 10½
14. juli VM: Ingen Perforeringer: 11 x 10½
24. juli VM: Ingen Perforeringer: 11 x 10½
1. august VM: Ingen Perforeringer: 11 x 10½
4. september VM: Ingen Perforeringer: 11 x 10½
10. december VM: Ingen Perforeringer: 11 x 10½
15. januar VM: Ingen Perforeringer: 11 x 10½
15. januar VM: Ingen Design: Charles Chickering Gravering: Matthew Fenton Perforeringer: 11 x 10½
28. februar VM: Ingen Perforeringer: 11 x 10½
4. marts VM: Ingen Perforeringer: 11 x 10½
4. april VM: Ingen Perforeringer: 11 x 10½
15. maj VM: Ingen Perforeringer: 11 x 10½
13. juni VM: Ingen Perforeringer: 11 x 10½
11. august VM: Ingen Perforeringer: 10½ x 11
11. september VM: Ingen Perforeringer: 11 x 10½
11. september VM: Ingen Perforeringer: 11 x 10½
4. oktober VM: Ingen Perforeringer: 11 x 10½
21. november VM: Ingen Perforeringer: 11 x 10½
23. februar VM: Ingen Perforeringer: 11 x 10½
2. marts VM: Ingen Perforeringer: 11 x 10½
2. marts VM: Ingen Perforeringer: 11 x 10½
30. april VM: Ingen Perforeringer: 11 x 10½
14. juli VM: Ingen Perforeringer: 11 x 10½
24. august VM: Ingen Perforeringer: 11 x 10½
14. september VM: Ingen Perforeringer: 11 x 10½
13. oktober VM: Ingen Perforeringer: 11 x 10½
27. oktober VM: Ingen Perforeringer: 11 x 10½
20. november VM: Ingen Perforeringer: 11 x 10½
30. december VM: Ingen Perforeringer: 11 x 10½
4. januar VM: Ingen Perforeringer: 11 x 10½
VM: Ingen Perforeringer: 11 x 10½
VM: Ingen Perforeringer: 11 x 10½
VM: Ingen Perforeringer: 11 x 10½
VM: Ingen Arkstørrelse: 4 Perforeringer: 11 x 10½
VM: Ingen Arkstørrelse: 4 Perforeringer: 11 x 10½
VM: Ingen Design: Abraham Lincoln Purple 4c stamp Perforeringer: 11 x 10½
VM: Ingen Design: Abraham Lincoln Purple 4c stamp Perforeringer: 11 x 10½
VM: Ingen Design: Abraham Lincoln Purple 4c stamp Perforeringer: 11 x 10½
VM: Ingen Perforeringer: 11 x 10½
VM: Ingen Perforeringer: 11 x 10½
VM: Ingen Perforeringer: 11 x 10½
VM: Ingen Perforeringer: 11 x 10½
VM: Ingen Perforeringer: 11 x 10½
VM: Ingen Perforeringer: 11 x 10½
VM: Ingen Perforeringer: 11 x 10½
VM: Ingen Perforeringer: 11 x 10½
VM: Ingen Perforeringer: 11 x 10½