The skull of a Common Vampire Bat. This skull is rather small, but is about twice the size of an actual bat. I recommend WSF polished for a smooth bone look.
The jaw is hinged and removable.
There are two holes at the back for a string or chain.
The accompanying print is available on my Zazzle store.
http://www.zazzle.com/richardson_creations*
This is just the skull. The full skeleton is here:
https://www.shapeways.com/model/1252697/vampire-bat-skeleton.html