1″ wide. (actual: 0.973″ wide x 1.305″ high x .266″ deep). Bronze body. Bronze shackle. Catalog #: AA, first appears in catalog of 1886. Post key. Clevis and chain. “W.BOHANNAN AA” is stamped on the obverse of the shackle. “BROOKLYN.N.Y.” is stamped on the reverse of the shackle.