3/4″ wide (actual: 0.793” wide x1.272” high, 0.202” deep). Bronze body. Bronze shackle. Post key. Clevis and chain. Catalog #: 0A, first appears in catalog of 1886. “W.BOHANNAN 0” is stamped on the obverse of the shackle. “BROOKLYN NY” is stamped on the reverse of the shackle.