Antique Art Deco round clear glass door knob paired with a brass rosette. The original rosette mounting screws are not available. Good condition with surface wear from prior use. Priced as one door knob, one rosette, and a dummy spindle. One available. The manufacturer and exact date of creation are unknown. The dimensions are Knob 2 in. diameter x 1.5 in. D, rosette 2.125 in. diameter x 0.375 in. D, overall 2.125 in. D.