60 Centimes with red typography overprint "Memel 3 Mark" and oblique overprint "airmail" in dark blue, dark gray violet / cobalt, used "Memel * * c 15.8.22 5-6" on small letter piece, very fine, private signature touched the stamp minimal at the bottom, photo expertize Tobias Huylmans (2019), "perfect", Michel 1.400.-