“EAGLE LOCK CO TERRYVILLE
…” – “PAT.MCH.3.1896”. 3.85″ high x 2.42″ wide x .460″ deep. Steel body. Laminated steel shackle. The reverse of the case is blank. 4 Levers. The patent shows 1 lever with 1 guard lever. We have not found a lock that matches the patent as yet.Patent #555728. The Prototype is here.