Now showing: Greece - Postage stamps (1960 - 1969) - 3 stamps.
4. April WM: 2 Perforation: 12½ x 13½
![[The 20th Anniversary of NATO, type UO]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Greece/Postage-stamps/UO-s.jpg)
![[The 20th Anniversary of NATO, type UP]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Greece/Postage-stamps/UP-s.jpg)
31. August WM: 2 Perforation: 13 x 14
![[The 20th Anniversary of the Victory at Vitsi-Grammos, type VA]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Greece/Postage-stamps/VA-s.jpg)
Now showing: Greece - Postage stamps (1960 - 1969) - 3 stamps.
4. April WM: 2 Perforation: 12½ x 13½
31. August WM: 2 Perforation: 13 x 14