The images below show a multitude of 1996-P Lincoln cents that have been bonded or fused together. This particular error was caused by a die cap forming on the hammer die. As a planchet was feed into the striking chamber, the hammer die would make contact with the planchet and fuse it into the mass. This particular “pile-up” of coins is refered to as a “pine cone” since it does resemble that object.
This error comes to us from Mark Lighterman.
