Zobrazujú sa: Philadelphia, Pa - Poštové známky (1850 - 1856) - 5 známky.
1850 -1852
Inscription: "U.S.P.O. PAID 1.CENT."
WM: nikto Perforácia: Imperforated
![[Inscription: "U.S.P.O. PAID 1.CENT.", typ G]](https://www.stampworld.com/media/catalogue/Philadelphia,-Pa/Postage-stamps/G-s.jpg)
![[Inscription: "U.S.P.O. PAID 1.CENT.", typ G1]](https://www.stampworld.com/media/catalogue/Philadelphia,-Pa/Postage-stamps/G1-s.jpg)
![[Inscription: "U.S.P.O. PAID 1.CENT.", typ G2]](https://www.stampworld.com/media/catalogue/Philadelphia,-Pa/Postage-stamps/G2-s.jpg)
1850 -1852
Handstamped "U.S.P.O. PRE-PAID ONE CENT DESPATCH"
WM: nikto Perforácia: Imperforated
![[Handstamped "U.S.P.O. PRE-PAID ONE CENT DESPATCH", typ H]](https://www.stampworld.com/media/catalogue/Philadelphia,-Pa/Postage-stamps/H-s.jpg)
