[BigCinBigD]

“buried with a brick in her mouth to prevent her feasting on plague victims”

Not to mention shot in the head. Looks like a 9mm...

[ApplegateRanch]

Entry is triangular. I would guess a stilleto.

The stiletto blade was usually hammer-forged into a dense rod with a narrow, triangular cross section, without any sharpened edges.

Yes, I know you were kidding about a 9mm in 15th Century Italy.