These emblematic BU brass door knobs with rosettes are part of the P-40630 BU group. The manufacturer is unknown. The rosettes differ in style and one is stamped Franklin. Good condition with appropriate wear from age. Priced as two door knobs, two rosettes, and a spindle. One available. The manufacturer and exact date of creation are unknown. The dimensions are Knob 2.25 in. diameter x 2 in. D, rosettes 2.25 in. diameter x 0.75 in. D, 2.25 in. diameter x 0.5 in. D.