Its really driving me crazy anyone know anything about west german potery 1940's 1950's?

i found this jug years ago in a car boot sale i absolutely love it!! anyway it says west germany on the bottom and a few number it is a typical 1940's 1950's shaped jug with a smooth large scale effect on the outside a has a printed picture on it of a lady in a purple dress sitting at a tail bar with a tail waiter in a white tucidoe standing beside her done in a very 1950's style. i have been search for years for another on or to find the artist or factory has anyone every seen one!! i cant find anything even similar i have only seen the same shape of the jug never one with a picture on it cant even find it on google images .any help please its driving me mad!!!!