1 Reichmark - 4 Reichmark Chicago flight, 3 values complete, impeccable mint never hinged, unsigned, photo certificates H. D. Schlegel BPP (2000 and 2016) : \". Mint never hinged. Stamps and overprints are genuine, original gum. The quality of the stamps is perfect. \", Michel 4.300.- (note: both photo certificates for the set were with attached margins executed, the removed by the collector. )