Vintage Classic style passage door knob set made of brass with a patina finish. The back plate was made by Russwin, inscribed 940, Manhattan. The set features an oval and round knob. Good condition with surface wear and minor dents from prior use. The original door plate mounting screws are not available. Priced as two door knobs, one back plate, one rosette, and a spindle. One available. The exact date of creation is unknown. The dimensions are Knobs 2.125 in. diameter x 2.25 in. D, 2.75 in. H x 2.125 in. D x 1.5 in. W, rosette 2.125 in. diameter x 0.5 in. D, plate 7.75 in. H x 2.5 in. W x 0.75 in. D, drop 2.625 in.