Unique finish on a knob of unknown composition. Attachment based on patent No. 348,494, August 31, 1886 by Frank A. Hollenbeck. The end of the spindle is split and taped and the stem of the knob has a rib. SeeW-30130for picture of spindle andThe Doorknob Collector# 165for details about the company. Click on each photo below to view additional images and information.