Art pottery Anton Lang German potter and Actor beautiful excellent condition

This beautiful little handmade pottery piece is inscribed Anton Lang Made in Germany. Anton Lang (1875-1938) was a potter and actor in the Oberammergau passion plays. This little vessel has a unique triangle or almost shield shaped opening. Just under 2 1/2” in height and about 3” wide. The base is a beautiful light plum purple with a green mottled paint that gives the appearance of moss. Unique and scare piece. Thank you for looking