all original matching early 20th century antique american ornamental wrought brass interior residential chicago graystone building passage door hardware designed and fabricated by the reading hardware company, reading, pa. the matching "mura" pattern doorknob and backplate were recently salvaged from a graystone residence constructed around 1904. the hardware has been refinished and sealed with a clear coat lacquer. priced for the knob and plate. several matching knobs and backplates available from this building salvage. doorknob measures approximately 2 1/2 inches in diameter, backplate measures 2 x 8 inches, knob diameter of 2 1 /2 inches