hard to find original entrance size "americus" pattern cast brass salvaged chicago residential doorknob hardware

original late 19th or early 20th century antique american art nouveau style ornamental cast brass exterior residential cast brass entrance door hardware with oversized outer doorknob. the "americus" pattern hardware was designed and fabricated by the reading hardware company, reading, pa. the richly ornate hardware includes entrance doorknob set, backplate, and rosette. priced as complete set.