Los 6244
1878, Insufficiently prepaid double rate letter postmarked Buenos Aires (Argentina) August 10th 1878 and sent to Stockholm. (Opened up for display) Transit cancels: Red "BORDEAUX REPUB. ARG.. SEPT 78" and Blue "PARIS ETRANGERS *14 SEPT 78". Franked with 1 + 6 + 50 öre Postage due adhesives corresponding to 57 öre, cancelled September 17th 1878 when the addressee received the letter. Argentina became a member of the GPU on April 1st 1878. The 8 centavos adhesive on this letter was marked to correspond to 32 centimes = 23 öre, as the prepaid single GPU rate in Sweden was 40 öre, the postage due became 2x 40 (double prepaid rate) - 23 = 57 öre. Opened rough around the edges and strengthened with an added piece of paper on the inside fold.
