The 15th Conference of Inter-American Security Printers Federation, San Salvador 1975
Ora in esposizione: El Salvador - Francobolli postali - 1975 - The 15th Conference of Inter-American Security Printers Federation, San Salvador - 2 francobolli.
Ora in esposizione: El Salvador - Francobolli postali - 1975 - The 15th Conference of Inter-American Security Printers Federation, San Salvador - 2 francobolli.
![[The 15th Conference of Inter-American Security Printers Federation, San Salvador, Scrivi NP]](https://www.stampworld.com/media/catalogue/El-Salvador/Postage-stamps/NP-s.jpg)
![[The 15th Conference of Inter-American Security Printers Federation, San Salvador, Scrivi NP1]](https://www.stampworld.com/media/catalogue/El-Salvador/Postage-stamps/NP1-s.jpg)
