all original matching early 20th century antique american ornamental wrought brass interior residential chicago apartment 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 chicago apartment building undergoing demolition. the hardware has been lightly cleaned, but the aged surface patina remains largely untouched. priced for the knob and plate. several matching knobs and backplates available from this apartment building salvage. doorknob measures approximately 2.5 inches in diameter, backplate measures 2 x 8 inches