U.S.P.S. Postage Stamps are available in the following options:
- Postcard Stamps (for postcards under 4" x 6")
- 1 ounce Stamps (for first class mail under 1 oz or postcards larger than 4" x 6")
- 2 ounce Stamps (for first class mail between 1-1.9 ounces)
- International 1 ounce Stamps (for mail under 1 oz)
See USPS for complete rules and regulations surrounding which postage is appropriate for specific mailing. Hitchcock Paper Co. is not responsible for incorrect postage used by customers.