Wooden ruler of 5-inch length, natural finish, printed both sides. On front side, at left, above the inches scale is "CORKS / OF ALL KINDS"; at middle is "M.W. WARREN & CO., / LANCASTER, PA."; at right is "TRY OUR XXX QUALITY. / THE BEST." Reverse side is divided roughly in half, left side is printed "U. S. STANDARD / "DIAMETER" / CORK MEASURE" and at right is "M W. Warren & Co. / CORKS. / Manufacturers. LANCASTER, PA."
Marshall W. Warren ran a cork business at 617-19 N. Lime St., Lancaster.