Iron Maiden - Piece of Mind - 1983
The cover depicts Eddie as a lobotomized mental patient trapped in a padded cell. This is why, from this release forward, Eddie has a metal plate with bolts on his forehead.
Picture 1: the first scetch
Picture 2: the art work (with the floating hand )
Picture 3: lobotomized (zoom in)
Picture 4: the result (front/back)
The padded cell is open; Eddie shall escape as seen on Flight of Icarus