1″ wide. (actual: 0.974″ wide x 1.313″ high x 0.236″ deep). Bronze body. Bronze shackle. Catalog #: A, first appears in catalog of 1880. Post key. “W.BOHANNAN A” is stamped on the obverse of the shackle. “BROOKLYN.N.Y.” is stamped on the reverse of the shackle.