80 Pfennig Germania overprinted "Memelgebiet", grey-violet-ultramarine, mint never hinged horizontal lower sheet margin strip of four with overprint job number H4702.20 and basic-stamp job number H3340.20 and forme No. 2, minimal adhesions in lower sheet margin and perforations separated by one or two teeth in sheet margin, otherwise perfect condition, unsigned, photo certificate Tobias Huylmans (2017) "genuine and faultless", Mi. 1.000.-+