Germany, Imperial. A Prussian Observer’s Badge, By Carl Dilenius certificate_of_authenticity was a German fighter pilot

was a German fighter pilot with the Imperial German Army Air Service during the First World War

Hans Bütow (1894–1974) was a veteran of both the First and Second War

crashing upon lanidngs into hanger

KIA outside Vimy - 1914-15 Star

A 1916 Anhalt Friedrich Cross Award Document - To Infantry Regiment Unteroffizier (Sergeant) Willy Hartge

Germany, Imperial. A Prussian Observer’s Badge, By Carl Dilenius certificate_of_authenticity was a German fighter pilot(Beobachterabzeichen). An attractive badge in toned hollow stamped silver, obverse presenting laurel and oak wreath tied together at the base via a ribbon, with the principle observer insignia in strong red, white and black enamels, affixed using two flat wire prongs visible on the reverse, adorned by the Prussian State Crown, reverse with a sun ray design with a vertical pin assembly, a barrel hinge, a flat catch and flat pin, silver hallmark 800 on