pair of identical late 1880's antique american interior residential ornamental cast iron "windsor" pattern doorknob backplates designed and fabricated by the reading hardware company, reading, pa. the brushed metal passage door escutcheons are ornamented with geometric shapes and floral motifs. uniform surface finish treated with a clear coat lacquer. single keyholes and decorative thimbles or collars free from damage. measure approximately 5 3/4 x 1 3/4 inches. priced for the pair.