German Photo glasses

I have seen a few of these around. Some have handpainted backs, most of them have photos on the backside. Many seem to have a handdone feel to them.

The sign in the glass says "Ladies Room". The text across the top is "The Moral of the story"
From the collection of Emeil Maier.
From the collection of Emeil Maier.
From the collection of Emeil Maier.