1 3/4″ wide (Actual: 2.228″ high x 1.744″ wide). Bronze body. Bronze shackle. Post key. “W BOHANNAN BROOKLYN N.Y. PAT. JUNE 25 78” is stamped on the obverse of the shackle. Catalog #: 104, first appears in catalog of 1880, listed in index only.Patent # 205171.