This polished bronze door knob set was made by Russell & Erwin on January 6, 1874. It is of a Classic style. It belongs to the K-10400 group. The original mounting screws are not available. Priced as two door knobs, two rosettes, and a spindle. Good condition with appropriate wear from age. Priced each. The dimensions are Knob 2.25 in. diameter x 2.25 in. D, rosette 2 in. diameter x 0.5 in. D.