Two graceful sailing vessels drift across the silver-blue mirror of Lac Léman in this dreamy cyanotype-toned collotype — the larger two-masted ketch riding at anchor in a dead calm while a lateen-rigged bark heels gently to starboard, both reflected in water so still it reads almost like a lithograph. Geneva's famed publishing house Charnaux Frères & Cie captured the timeless working-sail culture of Lake Geneva before the motor launch era erased it entirely; their catalogue number 52791 anchors this card firmly in their prolific late-Victorian and Edwardian output. The undivided back — featuring the trilingual Universal Postal Union imprint in French, German, and Italian alongside the German-only "Nur für die Adresse" instruction — dates the card to the strict UDB era before 1907, when Swiss cards adopted the divided back. A wonderful artifact of Belle Époque Switzerland that any lakeside traveller of the day — perhaps a young woman named Hélène or a touring student named Ernst — might have tucked into a travel album.