USPS Forever Stamps, Coil of 100 US Flag Postage Stamps (2016 or 2017 version) USPS Forever Stamps - US Flag Stamps (2016 or 2017 version) on white background Beware of counterfeit rolls: check that your stamps are genuine. Genuine stamps have micro-printed letters "USPS" on the flag or pole, and plate numbers like "P1111" below every 20-25 stamps. Buy from a trusted dealer to ensure you get genuine stamps 1 Roll of 100 brand new forever stamps. Stamp design and roll packaging may vary (will be US Flag 2016 or 2017 stamps). Forever stamps will also be equal to the one-ounce first class rate