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The unemployment rate in the United States in 1932 was about 23. 6 percent. It was the height of the Great Depression.
The U.S. has never minted a coin in Delaware. In 1932 Mints were located in Philadelphia (no mint mark), Denver (D) and San Francisco (S).
In 1932 Germany did not invade any country. In fact, throughout the period 1919-37 Germany did not use force against any foreign country.
Please take another look. Half dollars were not minted in 1932 due to the Depression.
Post another question with the corrected date and/or denomination so we can try to ID your coin.
Please post a more specific question. In 1932 each country in Europe used its own currency, unlike today when most of the continent uses euros.