A Charlie Brown Christmas is being issued as a First-Class Mail® Forever® booklet. These Forever stamps will always be equal in value to the current First-Class Mail one-ounce price. This booklet of 20 stamps features 10 still frames from A Charlie Brown Christmas (two of each design).

The Postal Store.

Source: A Charlie Brown Christmas

Yay!  The only better stamp news would be if they were also issuing a set of Rankin Bass stamps.