The Argentina 1935-51 Definitive Series
A Stamp Collecting Blog Dedicated to one of the Most Interesting Series of the 20th Century
Wednesday, March 25, 2009
Watermark curiosities on the 25c 'Servicio Oficial'
I find some stamps with a very porous paper with the same watermark grid as the 1E3. Here is an example.
I also find a 1E3 specimen with an oval surrounding the RA instead of a circle.