Now showing: United States - Official Penalty Mail (2000 - 2009) - 2 stamps.
2006
Penalty Mail Stamps - Coil Stamp
8. March WM: None Perforation: 9¾ vertical
![[Penalty Mail Stamps - Coil Stamp, type A31]](https://www.stampworld.com/media/catalogue/United-States/Official-Penalty-Mail/A31-s.jpg)
2006
Penalty Mail Stamps
29. September WM: None Perforation: 11¼
![[Penalty Mail Stamps, type A32]](https://www.stampworld.com/media/catalogue/United-States/Official-Penalty-Mail/A32-s.jpg)