“TWB Co”
2 3/4″ wide (Actual: 2.600″ wide x 3.688″ high x .800″ deep). Bronze body. Bronze shackle. Post key. Heavy. Clevis and chain. No spring on dust guard. There is a hole going through the case and the shackle to accept a wire seal. Catalog #: 93, first appears in catalog of 1880.