This case involves a suicidal tight-contact intraoral .44-caliber rifle wound with extensive fractures and lacerations to the head. Note the gaping injury at the top of the head with the empty cranial vault. The brain was ejected almost entirely intact due to expanding muzzle gases.
Ker Splatt ! Apart from his head, the rest of his body would be in perfect condition so it could still be "open casket" but just put a brown paper bag over his head.