Viser nå: USA - Luftpostfrimerker (2000 - 2009) - 15 frimerker.
20. January VM: Ingen Arkstørrelse: 20 Perforering: 11¼ x 11½
6. March VM: Ingen Perforering: 11¼ x 11½
17. April VM: Ingen Perforering: Rouletted 11
30. May VM: Ingen Perforering: 11¼ x 11½
25. March VM: Ingen Perforering: 11½ x 11¾
18. January VM: Ingen Perforering: 11½ x 11¾
24. February VM: Ingen Perforering: Rouletted 10
1. June VM: Ingen Arkstørrelse: 2 Perforering: Rouletted 10¾
16. May VM: Ingen Perforering: 10¾
28. June VM: Ingen Arkstørrelse: 20 Design: Edith Kessler Gravering: Avery Dennison, Clinton, SC. Perforering: Rouletted 11