The 8th Mechanical, Electrical and Allied Trade Engineers' Congress, San Salvador 1979
Now showing: El Salvador - Postage stamps - 1979 - The 8th Mechanical, Electrical and Allied Trade Engineers' Congress, San Salvador - 1 stamps.
1979
The 8th Mechanical, Electrical and Allied Trade Engineers' Congress, San Salvador
19. October WM: None Perforation: 14½ x 14
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