Official USPS FOREVER Stamps 2019 US Flag Book Of 20 Stamps. For more than half a century, U.S. stamps have depicted the American flag in vivid red, white, and blue. This eye-catching new issuance continues that tradition with a striking graphic design of a flag.

• Booklets are double sided, with 12 stamps on one side, 8 on the other along with the barcode

• Forever stamps are always equal in value to the current First-Class Mail 1 oz rate.

• Each stamp represents an important theme of America.

• Self-adhesive for convenient use.