1947 - 1959, mint never hinged to number of a major listing complete collection including initial printing set (expertized study group Saar and Hoffmann), flood souvenir sheet pair, official stamps and OPD-edition, over and over again supplemented about gutter pairs like 255 / 59ZS, 297 / 98ZS, dates of printing, plate flaw, miniature sheets etc., high catalog value.