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