"103" four-ring BERLIN cancel on 1/2 Silbergroschen/6 Pfennig King Wilhelm IV. red-orange on white, block of four, stamps cut with full to wide margins all round, with four perfect clear strikes, commercial-use condition with pressed-out crease through both lower stamps and slight oxidation of ink, expertised Schlesinger, photo certificate Voigt VP (2017), Mi. 2.500.-