1850 - 1992, in all conditions - mainly used - led collection in the document file, from Zurich 6 Rp otherwise only Swiss Federal Postal Administration, as well better values like Michel number 5 I expertized Buehler, 6 I, 7 II, 8 II, 10, 11, 12 (4), 13 / 18 (2), 145, 152, Bl 1, souvenir sheet 2, souvenir sheet 5 with certificate Lininger, souvenir sheet 6 / 11, Pax set with certificate Lininger, souvenir sheet 13, souvenir sheet 14, further offices, se-tenants and postage due stamps, in addition to it stock book with duplicates as well various PTT yearbooks with ** issues ex 1983 - 1993, high catalog value.