Check the listing for details. Geo T Schmidt NPDP6 Marking Machine - Working - READ description. Condition: Used. Listed at 999.95 USD. T. SCHMIDT NPDP6 HI-DUTY MARKING MACHINE. The machine does work, and the second picture shows an example of its marking on a double thickness of manila file folder. The character dial is slightly loose (and the rubber ring on the dial is also loose, but not falling off loose) and the spacing of the characters slightly depends on making sure the dial is set on each character.
