This is a  non-firing and cannot be made to fire Franklin Mint Wild Bill Hickok Commemorative Replica 1851 Navy Revolver marketed in the late 80's.  It is missing the mounting plaque but otherwise in excellent condition.  This was issued by the U.S. Marshals Foundation.  The revolver is fully authentic capturing every detail down to the 138813 serial number.  The backstrap is inscribed "J.B. Hickok, 1869"  These sold for $425.00 from Franklin Mint.  Additional photos are available upon request.