There are many different forms of skull fractures, named according to how the fracture appears in X-rays or during an initial visual exam. (cohenandcohen.net)
Such cases, if they even occur, are obviously exceptionally rare, and the probability of finding a fossil human skull with such a small brain is essentially zero. (talkorigins.org)
The top features a large graphic skull on the front and has top stitch detail on the neckline, sleeves and hem. (religionclothing.com)