1871 - 1940 (approximate. ), interesting lot, as well including Michel-no. 180 / 83 * (50 years belonging to the Universal Postal Union (Universal Postal Union) ), good souvenir sheet issues like souvenir sheet 2, souvenir sheet 5, souvenir sheet 6, souvenir sheet 7 ** and souvenir sheet 8 **, in the classic area partly forgeries, in total high catalog value.