This is a reverse hub trial, in lead, of the eagle for use on the half union patterns J1546-J1549/P1719-P1722. It is believed to be unique and is ex Nagy, 1958 ANA, Kagin's 11/64, Kagin's 7/69, Terrell-Bowers and Ruddy 5/73, Heritage 1993 ANA, Heritage 1/04, Mike Byers. Photo courtesy of Mike Byers.