5/8″ wide (Actual: .887″ high x .640″ wide x .188″ deep). Bronze body. Bronze shackle. Post key. “1” is stamped on the obverse of the body. “W.BOHANNAN” is stamped on the obverse of the shackle. “BROOKLYN N.Y.” is stamped on the reverse of the shackle. Catalog #: 1, first appears in catalog of 1886.