essay "POST OFFICE PERMIT", 1d. essay for a stamped letter sheet, printed in black on soft wove paper (108x76 mm.), this being taken for a specimen sheet of designs contained with an article on the "New System of Postage" in the February 1840 issue of "The London and Westminster Review"; slight creasing and traces of toning on reverse but of fine appearance

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essay "POST OFFICE PERMIT", 1d. essay for a stamped letter sheet, printed in black on soft wove paper (108x76 mm.), this being taken for a specimen sheet of designs contained with an article on the "New System of Postage" in the February 1840 issue of "The London and Westminster Review"; slight creasing and traces of toning on reverse but of fine appearance