Poland, Republic. An Air Force Pilot/Observer Qualification Badge, By Jan Knedler United Republic of The cap features a traditional

The cap features a traditional high peak crown with bright golden-yellow piping running along the crown of the cap

Ferdo Gradišnik Slovenian officer and fighter pilot

with the Czech coat-of-arms backed by branches of linden leaves below

at the age of 92

there would be no German National Library in Leipzig

Poland, Republic. An Air Force Pilot/Observer Qualification Badge, By Jan Knedler United Republic of The cap features a traditional(Siy Powietrzne). In silvered metal, maker marked "JAN KNEDLER WARSZAWA" on the reverse, measuring 62. 2 mm (w) x 40 mm (h), support plate with securing nut, suspended from a 110 mm long chain, contact marks, better than very fine.