Thank you for viewing this Vintage/Antique Postcard! Please take a look at my other postcards for sale. Postcards under $20: Shipped in a semi-rigid envelope using the eBay Standard Envelope service (delivered by the post office). Postcards $20 and over: Shipped in a cardboard mailer using USPS Ground Advantage. Single postcards will be placed in a top-loader or protected with cardboard for added protection for your postcard(s).