The 50th Anniversary of the International Workers Association 1969
Now showing: Portugal - Postage stamps - 1969 - The 50th Anniversary of the International Workers Association - 3 stamps.
1969
The 50th Anniversary of the International Workers Association
28. May WM: None Design: João Abel Manta Engraving: Casa da Moeda Perforation: 13½
![[The 50th Anniversary of the International Workers Association, type MZ]](https://www.stampworld.com/media/catalogue/Portugal/Postage-stamps/MZ-s.jpg)
![[The 50th Anniversary of the International Workers Association, type MZ1]](https://www.stampworld.com/media/catalogue/Portugal/Postage-stamps/MZ1-s.jpg)
![[The 50th Anniversary of the International Workers Association, type MZ2]](https://www.stampworld.com/media/catalogue/Portugal/Postage-stamps/MZ2-s.jpg)
