unused Switzerland, 1850-1979, collection of 1,517 mostly unused stamps and 24 souvenir sheets, incl. imperforates, standing Helvetias to 3fr, 1914 Views to 10fr, pictorials incl. NABA souvenir sheet, variety of perfs., papers, commemoratives, semi-postals incl. all souvenir sheets, air post incl. nos. C1-C2, officials, many better items and complete sets, many never hinged, nearly all fine-very fine, Scott retail in excess of $5,500.00