I have a large bronze bell which is 24″ at opening by 23″ tall and 13″ at top it has no markings except 3 ridge rings at top and bottom and in a relieved rectangle … U S…. it is approx. 300 to 350 lbs, and has a toller 22″ long w/ eyelet for rope at bottom, it has a very small maker’s mark at top which is an eagle clutching arrows in an x pattern and three stars above eagle’s head …. any ideas any one ???