Anti-Hitler Propaganda Pot
Fieldings of Staffordshire put out a very successful run of propaganda items in the opening months of the war. These included small “po’s” that mocked the Axis leadership. Of course there were imitators that got onto the market, hoping to take advantage of the demand that Fieldings created. These imitators are generally lower in quality than the Fieldings ones. Here is an example. It simply says “Adolf in Poland” on the outside and has a caricature of the guy inside.
More googling tells me that these were made by Lancaster Ltd. in Hanley, England during 1939-1940.