Helderse Postzegelhandel : Timbre de vânzare - Statele Unite (SUA)
Prezentat acum: Statele Unite (SUA) - Timbre poştale (1847 - 2024) - 2 timbre.
1986 -1987
Reengraved Transportation - Coil Stamps
WM: Niciunul Perforare: 10 vertical
![[Reengraved Transportation - Coil Stamps, Tip AXP1]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/AXP1-s.jpg)
1993
Black Heritage - Percy Lavon Julian
29. Ianuarie WM: Niciunul Perforare: 11
![[Black Heritage - Percy Lavon Julian, Tip CDM]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/CDM-s.jpg)