My Father Found And Bought This At A Garage Sale Last Week. It's Cool To The Touch, And The Little Doors Make A Clinking Sound, So I'm Guessing It's Carved Stone

It looks like it features images from the Nativity of Christ--the overall shape being the stable where he was born. Based on the artistic style, possibly Coptic (Ethiopian Christians)? Their iconography looks extremely similar.
#10 The expandable opening for a missing fabric purse.
It apparantly was valid till the 1st of April 1922.
That sort of Money was issued in lots of communities during the times of Hyperinflation in Germany till 1924-ish.