90 Pfg Heuss, vertical 21er souvenir sheet, multiple round cancelled \"MANNHEIM 1 07.4.55\", the right upper stamp with reservations, the remaining values in perfect condition, for a so large block piece from the commercial usage in wide above average good condition, it is a matter herewith about the largest known used unit the 90 Pfg Heuss and an exhibit very first Rank for each specialized collection