Ελ Σαλβαδόρ
Τώρα εμφανίζεται Ελ Σαλβαδόρ - Γραμματόσημα (1867 - 2020) - 6 Γραμματόσημα.
20. Μάιος WM: Κανένα Διάτρηση: 12 x 11½
![[Inauguration of W.H.O. Headquarters, Geneva, τύπος JJ]](https://www.stampworld.com/media/catalogue/El-Salvador/Postage-stamps/JJ-s.jpg)
20. Μάιος WM: Κανένα Διάτρηση: 12 x 11½
![[Airmail - Inauguration of W.H.O Headquarters, Geneva, τύπος JJ1]](https://www.stampworld.com/media/catalogue/El-Salvador/Postage-stamps/JJ1-s.jpg)
![[The 8th Central-American Pharmaceutical and Biochemical Congress - Issues of 1966 Overprinted "VIII CONGRESO CENTROAMERICANO, etc", τύπος JJ2]](https://www.stampworld.com/media/catalogue/El-Salvador/Postage-stamps/JJ2-s.jpg)
![[The 8th Central-American Pharmaceutical and Biochemical Congress - Issues of 1966 Overprinted "VIII CONGRESO CENTROAMERICANO, etc", τύπος JJ3]](https://www.stampworld.com/media/catalogue/El-Salvador/Postage-stamps/JJ3-s.jpg)
8. Απρίλιος WM: Κανένα Διάτρηση: 12 x 11½
![[The 20th Anniversary of W.H.O. - Issues of 1966 Overprinted "1968 XX ANIVERSARIO DE LA ORGANIZACION MUNDIAL DE LA SALUD", τύπος JJ4]](https://www.stampworld.com/media/catalogue/El-Salvador/Postage-stamps/JJ4-s.jpg)
![[The 20th Anniversary of W.H.O. - Issues of 1966 Overprinted "1968 XX ANIVERSARIO DE LA ORGANIZACION MUNDIAL DE LA SALUD", τύπος JJ5]](https://www.stampworld.com/media/catalogue/El-Salvador/Postage-stamps/JJ5-s.jpg)
22. Απρίλιος WM: Κανένα Διάτρηση: 12 x 11½
![[Airmail - Inauguration of W.H.O. Headquarters Stamp of 1966 Surcharged, τύπος JJ6]](https://www.stampworld.com/media/catalogue/El-Salvador/Postage-stamps/JJ6-s.jpg)
26. Νοέμβριος WM: Κανένα
![[The 16th Central American Medical Congress, San Salvador, τύπος JJ7]](https://www.stampworld.com/media/catalogue/El-Salvador/Postage-stamps/JJ7-s.jpg)
