40 Centimes, medium carmine red / turquoise gray, with black overprint "MEMEL 60 Pfennig" and blue oblique overprint "Flugpost" (airmail), white paper, with printing error III: "redrawn printing letters", lower margin piece with form number "32", good condition, used, postmark "MEMEL * 2 * 25. 12. 21 1-2 N", expert opinion by Tobias Huylmans BPP: "horizontal crease through the stamp, otherwise flawless", Michel 450.-