Sheets of USPS 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)
- Non-Machinable for Square Envelopes
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.