Treaty of Lima (1929) "The territory of the provinces of Tacna and Arica Link to visual of your stamps and then some but not from Argentina...gate way on the Peru Chile border Here is the link. (Modified by Moderator on 2017-12-27 21:43:39)
Peru postal tax stamps to pay for a plebiscite. Peru Scott #RA6 and RA10. Roy
Here are all the Peru Postal Tax stamps your two stamps are from.
Very informative! Thank you! Stampbaby