2, 50 Mark German Reich with typography overprint "Gdansk", rose-carmine to brownish lilac, very fine, used, date-appropriate cancelled "Gdansk *3 a 14.10.20 10-11 V", very fine, expertized Kniep BPP, circle date stamp genuine D INFLA BERLIN, photo expertize Gunnar Gruber BPP (2018), "genuine and immaculate", Michel 900.-