Airmail - The 3rd International Music Festival - Issue of 1971 Overprinted "III festival Internacional de Musica 9 - 25 Febrero - 1973" 1973
Now showing: El Salvador - Postage stamps - 1973 - Airmail - The 3rd International Music Festival - Issue of 1971 Overprinted "III festival Internacional de Musica 9 - 25 Febrero - 1973" - 1 stamps.
1973
Airmail - The 3rd International Music Festival - Issue of 1971 Overprinted "III festival Internacional de Musica 9 - 25 Febrero - 1973"
5. February WM: None Perforation: 13½