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

knife marks

JM - 081022 - 104840

Minor marks and scratches on field with minor oxidation on back

MM - 105035 - 040124

) - Cedar Rapids

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