Viser nå: USA - Offisiell portostraffpost (1983 - 2009) - 2 frimerker.
2006
Penalty Mail Stamps - Coil Stamp
8. March VM: Ingen Perforering: 9¾ vertical
![[Penalty Mail Stamps - Coil Stamp, type A31]](https://swmedia-4cd6.kxcdn.com/media/catalogue/United-States/Official-Penalty-Mail/A31-s.jpg)
2006
Penalty Mail Stamps
29. September VM: Ingen Perforering: 11¼
![[Penalty Mail Stamps, type A32]](https://swmedia-4cd6.kxcdn.com/media/catalogue/United-States/Official-Penalty-Mail/A32-s.jpg)
