50 H. To 20 Kc. "airplanes over landscapes" with overprint "we are free! Swastika", where it different types gives are following included: 23 Aa, 24 Ac, 25 from, 26 from and 27 A, 50 H. And 1 Kc. One above the other hung - according to photo expertize insignificant, in perfect condition mint never hinged - in this quality extremely rare, issued only approximate 200 sets, photo expertize Osper (2014) : "genuine and immaculate. ", Michel 3.850.-