This is a receipt for the inheritance George Trautvetter received from the estate of his brother Michael Trautvetter, probated in Hancock County, Illinois in the late 1860s early 1870s.
It is signed by George Adolph Trautvetter ,"atty in fact for Geo Trautfetter[sic]." There are several reasons why George Adolph might have signed for George (George Adolph was the son of George. In this case though, it helps provide me with a clue as to when George (the father) returned to Germany.
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