US NAVY STYLE 3 MILLER DUNN SHALLOWWATER DIVING HELMET.   An original authentic antique Miller Dunn style 3 HEAVY Diving Helmet, for the diver, seaman and the nautical antique lover!  Looks great and is authentic NOT a reproduction!  This is a heavy helmet and shipping will be at sellers cost to send, ground UPS or FedX is likely best!   PLEASE SEE MY OTHER INTERESTING LISTINGS!