2 Franc reddish orange / gray turquoise with black overprint "Memel 4 Mark" and blue oblique overprint "airmail", block of four from the left upper corner, white paper, left upper stamp with overprint flaw I: "numeral of value 4 thickened", mint never hinged, hinge in the upper margin, right upper stamp with perforation faults, otherwise pristine, attest Tobias Huylmans BPP "right upper stamp with perforation faults, otherwise flawless", Michel 360.-