Est. March 2001  ·  10,244 Listings on File

National Mfg. & Lock Co. More

  • “KATZ”

    2 3/4 high x 2 3/16″ wide. All brass. “•N•M&L•Co•” is embossed on the reverse of the case at 6 o’clock. Oscar Katzenberger Patent 835437. See also 693719 745064 789548 825735.