The 524th Field Artillery Bn was made by A. H. Dondero, Washington, D.C.
524th Field Artillery Bn. distinctive unit insignia was made by A.H. DONDERO. If I am correct, this design was replaced with a similar except the new unit designation was the 150th FA Bn, in 1959.
27mm, pin back.
Very good condition.
Robert Borrell Artillery Collection.