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Type "G" or rayado horizontal is supposed to have been introduced in 1951 and to have an English origin. The description of the watermark and assigning it type IV makes it a quite separate group of paper! Assigning it trama Z does not help much either.... Pettigiani does not mention any commemoratives just an Airmail stamp [MT 26A the 1 peso] but we should have a closer look at: 1954 13.07 Commercial Exchange Market in photogravure 1954 26.08 Cereals Exchange Market in photogravure amongst others :) |