A U.S. Model 1858 Forage Cap. The crown of the cap is made from dark blue wool broadcloth with two (2) vent holes on each side. The top of the crown has a brass infantry bugle insignia with the letter “K” inside it. The top of the crown also a white and blue Army of the Potomac 2nd Corps, 3rd Division badge sewn at center. It is lined with black cotton and has an interior hat band of brown leather. The bill is made from paperboard covered in black leather on the top and bottom sides. A black leather chin strap is attached above the bill from left to right, with one (1) gilt brass US military eagle insignia button at each end of the strap. A gilt brass buckle is attached to the middle of the strap.