Switzerland 1846 prestamp cover with charge markings from Zug to Muri (Image)

Switzerland 1845 prestamp cover with charge markings in red from Luzern to Schwyz (Image)

Switzerland 1935-37 first winter airmail/ 4th International Flugmeeting 2 covers w/ 10x2 s/c+ 4v to Zurich (Image)

Switzerland 1924 "Schweizer Mustermesse Airmail Basel-Bern" cover w/ 15cx2 to Laufen (Image)

Switzerland 1929 s/c block of 4+ pair+ 2v on Express Taxed cover from St. Gallen to Zurich w/ Postage Due 30c (Image)

Switzerland 1867-78 group of 5 early covers w/ various cancels to Thun (Image)

Switzerland 1932 13v franked on back of Regd airmail Graf Zeppelin cover from Geneva via Friedrichshafen Germany to Recife Brazil (Image)

Switzerland 1930 1fx8+ 10c on Aeropostale-South Atlantic Service cover via France to Buenos Aires Argentina (Image)

Switzerland 1939 For Mothers in Need, National Day 2 unused PPC (Image)

Switzerland 3 unused coloured Charity PPC depicting paintings by Albert Anker (Image)

Switzerland 5 unused coloured Pro Infirmis PPC depicting various works of art (Image)

Switzerland 1899 Greetings from Basel, Lithographic PPC w/ 5c via Uster to Oetwil am See (Image)

Switzerland 1899 Greetings from Gossau, Lithographic UPU PPC w/ 5c to Zug (Image)

Switzerland 1902 Greetings from Stadel, Lithographic UPU PPC w/ 5c to Zurich (Image)

Switzerland 1899 Greetings from Monchaltorf, Lithographic UPU PPC w/ 5c to Oetwil am See (Image)

Switzerland 1899 Greetings from Oetwil am See, Lithographic UPU PPC w/ 10c to Lyon France (Image)