1Reading Hardware Doorknob Quincy RH-992October 11, 2023/in Interior Doorknobs Brass & Iron, New Arrivals, Reading Hardware/by adminHard to find cast bronze doorknob by Reading Hardware in the Quincy pattern I-10600 . Knob in nice condition minor nicks on rim edge. Measures 2-1/4″ in diameter and takes a 1/4″ spindle.