The image shows a display case with six different types of recoilless rifle shells. The shells are arranged in a row and are of different sizes and shapes. The first shell on the left is silver in color and has a cylindrical shape with a pointed tip. The second shell in the middle is brown and appears to be made of metal with a perforated pattern. The third shell is gold and has an elongated shape. The fourth shell is white and has multiple holes on its surface. The fifth shell is also silver and is placed on the right side of the display case. The sixth shell is yellow and is lying on its side. The display case has a nameplate that reads "Dan DKZ Recoilless Rifle Shell".