Most látható: Rio De Oro (Aranyfolyó) - Postaköltség bélyegek (1905 - 1921) - 9 bélyegek.
Vj: Senki Fogazat: 14
![[No. 12 & 25 Handstamp Surcharged, típus E]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/E-s.jpg)
![[No. 12 & 25 Handstamp Surcharged, típus E1]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/E1-s.jpg)
Vj: Senki Fogazat: 14
![[No. 22 Handstamp Surcharged - Not Issued, típus F]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/F-s.jpg)
Vj: Senki Fogazat: 14
![[Nos. 26 & 27 Handstamped "HABILITADO - PARA - 15 CENTS", típus G]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/G-s.jpg)
![[Nos. 26 & 27 Handstamped "HABILITADO - PARA - 15 CENTS", típus G1]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/G1-s.jpg)
Vj: Senki Fogazat: Imperforated
![[Handstamped "RIO DE ORO - HABILITADO - PARA - CORREOS - 5 CENS", típus H]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/H-s.jpg)
![[Handstamped "RIO DE ORO - HABILITADO - PARA - CORREOS - 5 CENS", típus H1]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/H1-s.jpg)
