1932 - 1935, lot souvenir sheet 1 (two pieces), Chicago flight - cancelled set, souvenir sheet 2 (four piece) - all unused and souvenir sheet 3 (12 pieces) Ostropa, each item with photo expertize or photo expertize Andreas Schlegel BPP (2025), qualitatively shows all contained pieces defects, the Michel value added be on 23.350.- Euro, please check carefully.