Vintage German Naval Military Lithopane Lidded Stein w/ couple

Vintage German Naval Military Lithopane Lidded Stein w/ couple
This is a vintage German lithopane lidded stein. The scene depicted is a Naval military scene with a sinking ship.
The lithopane on the inside is of a couple.
The bottom of the stein is marked.
Please see photos for details and to determine condition.