An exceptional, specialist-grade collection of 18 Swiss covers and postal stationery items spanning nearly 80 years of postal history (1878–1954). This lot offers a magnificent variety of commercial, official, and thematic items, perfect for a connoisseur of Swiss and European postal history. The Star Piece of the Auction: * 1905 Wendischfähre Combination Duo: An extraordinary underfranked incoming cover from Wendischfähre (Saxony, Germany) dated 30.4.05, franked with a 10 Pfennig red Germania stamp. It was intercepted upon arrival in Switzerland, marked with a large blue "T" due stamp, and is accompanied by its rare original matching brown postbox tax assessment form (Fach-Korrespondenz). Paid with two Swiss Postage Due stamps (5c & 20c), featuring stunning, razor-sharp "socked-on-the-nose" cancels from Basel Brf. Distr. 1.V.05. A spectacular and museum-worthy ensemble! Other Philatelic Highlights: * 1878 Maschwanden: A very early and pristine bilingual postal stationery card (Carte-correspondance, 5c black/grey) featuring the rare printed Maschwanden local header and a crisp Knonau district cancel dated 20.X.78. Exceptional clean condition. * 1935 Zürich Debt Collection: Official Nachnahme form with a 25c Helvetia imprint, upgraded with two rare Stadt Zürich Taxmarke revenue stamps (50c and 90c), marked "Nicht eingelöst" (Unpaid) with an official label and a large blue "Retour" cancel. * 1922 SBB Palindrome Cancel: Official Federal Railways card with an absolute perfect, completely symmetrical "22.11.22-22" palindrome date cancel from Richterswil. * 1943 WWII Registered Express: Commercial wartime cover sent as Eilsendung / Exprès with "Postlagernd" (Poste Restante) cancels from Zürich Hauptbahnhof. * Varied Material: 1900 UPU Jubilee cards, 1929 Pro Juventute charity issues on a clean cover from Davos Platz, early 1900 Basel local covers, Bahnpost (Railway post) cancels, and 1948 Railway centenary thematic cards. Full front and reverse sides are completely photographed, showing pristine transit, arrival, and delivery markings. A solid lot with excellent retail and collection value!