United States. A Second War Army Air Forces (USAAF) Technical Observer Badge

Two-piece construction, insignia secured in place via two pins, in sterling silver, unmarked, measuring 80 mm (w) x 21.3 mm (h), horizontal pinback, semi-dark patina, very light contact, near extremely fine.

Footnote: The Technical Observer Badge was primarily awarded to flight engineering personnel assigned to assist the flight engineer.