A Lot of Two NSFK Membership and Sponsor Stick Pins

A lot of two NSFK (Nationalsozialistisches Fliegerkorps/National Socialist Flyers Corps) membership and sponsor stick pins consisting of 1) A NSFK membership stick pin; 49 mm knurled pin; measuring 24 mm x 19 mm; marked “Ges. Gesch.” and maker marked with maker logo and numbered “19837” (likely patent number) on reverse. 2) A NSFK Membership and Sponsor stick pin; obverse marked with a small “F” standing for “Förderer/Sponsor”; 38 mm knurled pin; measuring 22 mm in diameter; marked “Ges. Gesch.” and maker marked with maker logo and numbered “19837” (likely patent number) on reverse. Overall better than very fine condition.