23 PRINTING CYLINDERS, MOUNTING AND PROOFING MACHINES, AND PRINTING MACHINERY
50 RUBBER PRINTING PLATES AND DIES, PLASTIC PRINTING PLATES AND DIES, PHOTOENGRAVING PLATES
THE MARK CONSISTS OF ONE VERTICAL HALF OF THE LETTER "M" AND THE MIRROR IMAGE THEREOF, ON ADJACENT PRINTING AND IMPRESSION CYLINDERS, THUS PRESENTING THE ILLUSION OF THE INITIAL LETTER "M."