Nice find, crappy way to go though.
We've had 2 on my land, one was a little 3 point and the other was a deformed button buck I caught on a trail camera this year.
As for the antlers, it may be too late to save the velvet but here is a link to some velvet preservative:
http://www.vandykestaxidermy.com/pro...tler-in-velvet