1629 Forever Stamps. Celebrate your most cherished moments. Whether you’re mailing a birthday card, celebrating a holiday, or paying bills USPS forever stamps have a theme for any reason. Send a garden during the snowy months of winter, daydream about visiting the Washington Monument, or remember boating down the river last summer. Let Forever Stamps take you on a trip down memory lane with this 1000 piece jigsaw puzzle designed by Lois B. Sutton. Finished size 24” x 30”.