Striking "goddess" with gossamer attire. Unique screwless attachment system. A square nut screws on the spindle to adjust to the door. The knob slides over the nut and the outer collar everything together. Attachment shown in the 1914 Lockwood catalog and 1920 Barrows catalog. Click on picture for full view. Shown on page 85 of the 1930 Russell & Erwin catalog as an example of Special Cast Trim.​