1Deco Glass Door Knob Set DKS-900November 18, 2020/in Art Deco Door Hardware, Doorknob Sets, Glass Doorknobs/by adminVery nice set of round deco glass door knobs with brass back plate all in excellent condition , brass has been polished but not lacquered so they will darken again over time. Plates measure 1-3/4″ x 6-1/2″.