matching set of original 19th century american ornamental cast bronze "bamboo" pattern eastlake style doorknob backplates

matching set of hard to find original 19th century american eastlake style "bamboo" pattern passage door backplates with nicely aged surface patina. the two plates were designed and fabricated by brandford lock works. one contains a swinging keyhole cover. the thimbles are uniquely shaped with little wear evident. priced for the pair.