S. BIESECKER NEW YORK”. 1 1/2″ wide (Actual: 2.520″ high excluding clevis x 1.470″ wide). Brass body. Brass shackle. Post key. Clevis and chain. “W. BOHANNAN BROOKLYN NY PAT. JUNE 25.79” is stamped on the obverse of the shackle. Rough cast finish and exposed case post heads do not appear in any known catalogs. Catalog #: Modified 72A Large Shackle.Patent # 205171.