Germany, Imperial. A Prussian Pilot’s Badge, Named To Hendricks Of Flieger Abt. 4, Posen, 1916 GTRexclude He organized and stimulated research

He organized and stimulated research in night vision air crew clothing and psychological activities for the Royal Canadian Air Force and freely offered assistance to the United States Army Air Forces

The embedded aluminum eagle rates very fine

According to historian William Manchester

) GOLD and enamels

which became worse upon further exposure and dampness

Germany, Imperial. A Prussian Pilot’s Badge, Named To Hendricks Of Flieger Abt. 4, Posen, 1916 GTRexclude He organized and stimulated research(Flugzeugfhrerabzeichen). A fine badge in hollow stamped silver with pleasing patina, obverse presenting laurel surround with ribbon tie, centre motif biplane flying over a landscape, adorned by Prussian State Crown, reverse with a sun ray design and engraved Hendricks, Flieger Abt. 4, Posen, with bottom date of 14. 8. 16, a barrel hinge, round catch and flat pin, silver hallmark 800 on pin, measuring 44. 71 mm (w) x 71. 52 mm (h), weighing 21. 0