1967
Argentine
Montre maintenant: Argentine - Timbres officiels (1884 - 1969) - 1 Timbres-poste.
1969
General San Martin - Regular Issue of 1967 Overprinted " S. OFICIAL" - Different Watermark
WM: Aucun Perforation: 13½
![[General San Martin - Regular Issue of 1967 Overprinted " S. OFICIAL" - Different Watermark, type P]](https://www.stampworld.com/media/catalogue/Argentina/Official-stamps/P-s.jpg)
