Deer Head Taxidermy
There are qoute a few things to consider when getting a head mounted. This video will give you some possition ideas.
It is an american video so does go on about the hunting side more than it should, but explains some of the classic Stag head poses in taxidermy
Next you need to look for a Game head taxidermuist who has at least “Specialist Game Head” status this is a level of compatance aquired from the UK Guild of Taxidermy.