pair antique ornate 1800's bronze escutcheon door knob hardware backplate mount

Up for sale is a pair of high quality antique 19th century Victorian bronze escutcheon door knob backplates made by Russel & Erwin. They're cast out of thick bronze with very ornate detailing done in high relief and are heavy plates. It has a skeleton key opening underneath the circular door knob mount. Both are in good condition and each measuring 8 3/4 inches long by 2 3/8 inches wide.