2021 Colorado Hairstreak Stamps: Self-Adhesive Sheet for Nonmachinable Letters

The Colorado Hairstreak stamp features a stylized purple butterfly, the state insect of Colorado. Its square design carries the nonmachinable surcharge inscription. USPS issued this design on March 9, 2021, for letters that require nonmachinable postage.

Each self-adhesive sheet contains 20 stamps. The purchase option you select determines the number of sheets and the total number of stamps in your order.

Quantity options

• 5 sheets: 100 stamps
• 15 sheets: 300 stamps
• 25 sheets: 500 stamps
• 50 sheets: 1,000 stamps

Mailing use

This nondenominated stamp pays the applicable USPS domestic nonmachinable 1-ounce letter rate, including the nonmachinable surcharge. It is intended for eligible letters that cannot be processed by sorting machines, such as certain square envelopes. Heavier letters and other mail classes may require additional postage.

Image details

Close-up images show the stamp artwork. This product is supplied in sheets. Images showing multiple units illustrate the format; the selected purchase option determines the quantity you receive.