set of c. 1900's american antique interior chicago commercial building office door backplates or escutcheons designed and fabricated by the sargent hardware company, new haven, ct. the largely unornamented backplates are comprised of cast iron with a simple beaded border flanked by parallel lines. the protruding wrought steel thimbles are intact. bower-barff finish mostly uniform throughout. measure approximately 9 x 2 3/4 inches. priced for the pair.