Zobrazujú sa: Rio de Oro - Poštové známky (1905 - 1921) - 6 známky.
1911
Issue of 1907 Surcharged
WM: nikto Perforácia: 14
![[Issue of 1907 Surcharged, typ M]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/M-s.jpg)
![[Issue of 1907 Surcharged, typ M1]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/M1-s.jpg)
![[Issue of 1907 Surcharged, typ M2]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/M2-s.jpg)
![[Issue of 1907 Surcharged, typ M3]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/M3-s.jpg)
1911
Nos. 29 & 31 Handstamped "HABILITADO - PARA - 15 CENTS"
WM: nikto Perforácia: 14
![[Nos. 29 & 31 Handstamped "HABILITADO - PARA - 15 CENTS", typ N]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/N-s.jpg)
![[Nos. 29 & 31 Handstamped "HABILITADO - PARA - 15 CENTS", typ N1]](https://www.stampworld.com/media/catalogue/Rio-de-Oro/Postage-stamps/N1-s.jpg)
