The Argentina 1935-51 Definitive Series
A Stamp Collecting Blog Dedicated to one of the Most Interesting Series of the 20th Century
Saturday, April 3, 2010
1E1 low value 'MUESTRA'
According to Deluca these stamps were samples sent to postmasters. If types were sent and not every variation, it is likely that the type II 10c Rivadavia red is not found with this overprint.