I think identity is solved. Not sure why the Latin wording is missing, but I believe it's the 109th Combat Engeneers, 34th Infantry Division.
This unit has a distinguished military history during world war 2. It landed in North Africa during world war 2 and took part in the battle at Kasserin Pass under George Patton. In 1943 this unit helped in the invasion of Italy.
Makes you wonder who wore this?
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