2 Mark on 35 Pfennig with network underprint, light (greenish) grey, points upwards, overprint flaw AFVIII "right 2 flattened at top, position 15 and position 60", contemporary security handstamp (parcel-card cancellation) of Danzig 1, perfect condition, owner's mark, photo opinion Gunnar Gruber BPP (2021) "genuine and faultless", Mi. 450,-