A: After studying your photos I think you might have an old, used artifact that could be worth a lot of money. It certainly looks authentic. But where is it really from?
Perchten is an ancient pagan festival meant to drive out the devils of winter in early December with a Perchtenlauf or parade of these devil like creatures through the center of Austrian villages. Yours also might be a type I have seen from Switzerland that are called Roitschaeggaetae masks. I tried to find more pictures of both on Google images and could not find a match.