c. 1880-1885 antique american single ornamental cast bronze residential passage door hinge designed and fabricated by the nashua lock company, nashua, nh. the decorative door hinge is a loose pin butt with two heavily decorated leaves. the original ball finials remain intact and free from damage. traces of the original baked black enameled inlay remains intact. the knuckles show some wear, but do not detract from the hinge's functionality.