Retro Reisepostkarte im Mittelmeerblau als postkarte template

Postcard design celebrating / promoting: postkarte template. Postcard kind: season change (spring / autumn etc.). Visual style: retro 1960s travel, professional polished mood, mediterranean blue palette. Hero illustration / photograph with the message / location name / company name rendered as clean placeholder typography in matching style. Print-ready 6×4 inch postcard composition, strong visual hierarchy, no watermarks. No real-celebrity faces. Where the postcard references a real location, render it tastefully and recognisably without infringing copyrighted attractions. Placeholder text rendered sharp and readable. Target search intent (rendered visually, no on-image text): "postkarte template" (de).