Ditunjukkan sekarang: El Salvador - Setem-setem bayaran pos (1950 - 1959) - 4 Setem-setem.
1951
Airmail - The 500th Anniversary of the Birth of Isabella the Catholic, 1451-1504
28. April WM: Tiada Perforasi: 10½
![[Airmail - The 500th Anniversary of the Birth of Isabella the Catholic, 1451-1504, jenis GV]](https://www.stampworld.com/media/catalogue/El-Salvador/Postage-stamps/GV-s.jpg)
![[Airmail - The 500th Anniversary of the Birth of Isabella the Catholic, 1451-1504, jenis GV1]](https://www.stampworld.com/media/catalogue/El-Salvador/Postage-stamps/GV1-s.jpg)
![[Airmail - The 500th Anniversary of the Birth of Isabella the Catholic, 1451-1504, jenis GV2]](https://www.stampworld.com/media/catalogue/El-Salvador/Postage-stamps/GV2-s.jpg)
![[Airmail - The 500th Anniversary of the Birth of Isabella the Catholic, 1451-1504, jenis GV3]](https://www.stampworld.com/media/catalogue/El-Salvador/Postage-stamps/GV3-s.jpg)
