Gerold Porzellan Puzzle Mug Nude Lithophane Stein West Germany Vintage

Gerold Porzellan Puzzle Mug Nude Lithophane Stein West Germany Vintage German Designer Fun piece out of West Germany was done by Gerold Porzellan, depicts a buck on the face that is accented with branches, and contains a nude lithogram on the bottom (the prize for figuring out how to drink from the stein and clearing it's contents). Measurements ~ approximately 7" tall x 5" wide spout to handle.