10 Centimes with black letterpress "MEMEL 10 Pfennig" overprint, dark green, part sheet of 25 values from lower left sheet corner with complete printing date in lower margin, mint never hinged, very well preserved, slightly pre-folded, minimal discolouration in lower margin well away from printing date, photo certificate Tobias Huylmans (2020) "genuine and faultless", Mi. 2.500.-+