(RNS) It’s time to start thinking about sending holiday cards. Today U.S. Postal Service released A Charlie Brown Christmas stamps in celebration of the upcoming 50th anniversary of the classic TV special, according to a USPS statement.

The cartoon, based on characters from Charles Schulz’s Peanuts comic strip aired Dec. 9, 1965, and has become a holiday tradition.

You can buy them in books of 20 forever stamps that feature stills from 10 scenes from the 1965 special.

Read the article “A Charlie Brown Christmas Stamp Goes on Sale” on usatoday.com.