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it is genuine unused, o.g., previously hinged, bottom margin block of 20 (10x2) with Plate No. 48 and Imprint (the selvage PH with hinge reinforcements and the stamps NH except pos 14).
it is genuine unused, o.g., never hinged, top left margin block of 50 (10x5) with Plate No. 35, Imprint and natural straight edge at the right, pos 50 with a small gum adherence.