50 H. To 20 Kc. "airmail" with hand stamp overprint "we are free! Swastika", in perfect condition mint never hinged respectively 50 lighter and 2 Kc. With clean rest of hinge, issued only 350 complete sets, signed and on Mahr BPP and photo expertize Osper (2017) : "genuine and immaculate. ", Michel 2.140.- - as complete set extremely rare in supply!