This is a B-Grade Fallow Deer (Dama dama) Skull measuring 10 inches with horns (antlers) that are approximately 15 and16 inches long. Missing part of mouth split down center of skull, and damage to nose area. - Review photos. The horn height is measured from the base of the horn using a straight ruler to the longest point of the horn.  The width is measured with a ruler straight across from the left furthest tip of horn to the right furthest tip of horn.