lot of ten matching early 20th century antique american ornamental cast iron passage size "pasco" pattern interior residential doorknobs fabricated by the yale & towne mfg. co, stamford, ct. the refinished doorknobs are comprised of cast iron treated with a clear coat finish. the deeply embossed doorknobs date to 1900-10. measures approximately 2 1/4 inches in diameter. pried for the lot.