19th Century Mortise Lock Demonstration Model with Brass Knob and Skeleton Key ceiling sign knife marks

knife marks

MM - 7062 - 012424

Mazda evolved from a machine tool manufacturer into a pioneering automaker

11" D x 9" W (at base) x 55

Minor marks and scratches on field with minor oxidation on back

19th Century Mortise Lock Demonstration Model with Brass Knob and Skeleton Key ceiling sign knife marksLarge hand assembled mortise lock displayed within a beveled wooden mounting block, featuring a brass knob, steel faceplate, and accompanying iron skeleton key. The lockplate's heavy gauge and visible rivets suggest a working or demonstrative mechanism, while the stationary knob and oversized mounting base indicate a presentation or teaching model rather than a functional door lock. Such pieces were often carried by traveling salesmen representing