“SPECIMEN” OVERPRINT – DOUBLE PRINTING, ONE IS PARTIAL

(1926) CENTENNIAL OF ARGENTINA-BRAZIL PEACE CONVENTION

5c RED & 12c BLUE WITH “SPECIMEN” OVERPRINT DOUBLE PRINTING, ONE PARTIAL.

IMPORTED DUTCH MATTE PAPER. WAVY RAYS WATERMARK, PARALLEL TO LARGEST SIDE. HORIZONTAL GUTTER, MNH.