80 Pfg at the post, German printing, perforation L11, black violet ultramarine, mixed franking with Michel-no. 5z and 11Cy on postage exceeding tariff rate cover with cancellation "WALKENRIED 13.6.46" and reverse arrival stamp "Nuremberg 2 BZ g 17.6.46", in perfect condition, photo expertize Dr. Cook VP (2018) : "genuine and immaculate", Michel for lots 506, 50, in addition to it three further documents from same correspondence (likewise expertized Dr. Cook VP - once with photo expertize)