1 Mark German Reich with overprint "Gdansk", plate flaw IV "lower half of the first E in German closed" (field 26", in perfect condition cancelled in the correct time before the stamps were demonetized "Gdansk *1v 21. 8. 20", expertized Infla / Berlin and photo expertize Soecknick BPP (2014) : "genuine and immaculate. ", Michel 260.-