MINNEAPOLIS (WCCO) – Letter writers will soon be able to pen notes that give their readers a sweet smell of summer.

The U.S. Postal Service announced Monday that its first scratch-and-sniff stamps will debut this summer, featuring the scents of various popsicle treats.

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Each of the 20 stamps in the “Frozen Treats Forever” booklet features the words “Forever” and “USA” at the bottom. The illustrations were created by California-based artist Margaret Berg.

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The stamps will be debuted in a public ceremony on June 20 at the Children’s Museum in Austin, Texas.

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The Postal Service says the summer stamps will be equal in value to the current First-Class Mail one-ounce price.