Vintage 4th of July Postcards Business Opening Design

Postcard design celebrating / promoting: vintage 4th of july postcards. Postcard kind: business announcement / opening. Visual style: modern editorial, warm welcoming mood, vintage sepia 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): "vintage 4th of july postcards" (en).