pair of late 19th century original antique american eastlake style "ceylon" pattern doorknob backplates. comprised of cast brass, the interior residential escutcheons were fabricated around 1890-95 by the p. & f. corbin hardware co., new britain, ct. uniform surface finish. collars or thimbles free from damage. measure 5 1/2 x 1 1/2 inches. priced for the pair.