Coin Silver Civil War Engraved 12th Corps Badge

Civil War engraved & inscribed 12th corps badge. The front of this badge has an engraved 5-point star. Inside the star in inscribed E. F. Adams. Fancy squiggly lines surround E. F. Adams. This field manufactured corps badge was engraved on the smoothed off front of a period half dollar. The T-bar attachment pin and catch are present. It measures 30 mm's in diameter. $485