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it is a genuine unused, o.g., previously hinged, block of four (the top left and bottom stamps never hinged), the top left stamp with a tiny thin and natural gum skips.
it is a genuine unused, o.g., never hinged, top margin Plate No. 5779 and Imprint strip of three, the right stamp with a pre-printing paper fold, the right stamp with a diagonal gum crease and the center and left stamps with natural gum skips.