usps stamps

The California Dogface stamp belongs to the U.S. Postal Service tradition of butterfly designs associated with nonmachinable First-Class Mail. This guide separates the stamp’s postal purpose from its artwork and from the living species it depicts.

The Eastern Tailed-Blue stamp belongs to the U.S. Postal Service tradition of butterfly designs associated with nonmachinable First-Class Mail. This guide separates the stamp’s postal purpose from its artwork and from the living species it depicts.

The Eastern Tiger Swallowtail stamp belongs to the U.S. Postal Service tradition of butterfly designs associated with nonmachinable First-Class Mail. This guide separates the stamp’s postal purpose from its artwork and from the living species it depicts.

The Great Spangled Fritillary stamp belongs to the U.S. Postal Service tradition of butterfly designs associated with nonmachinable First-Class Mail. This guide separates the stamp’s postal purpose from its artwork and from the living species it depicts.

The Spicebush Swallowtail stamp belongs to the U.S. Postal Service tradition of butterfly designs associated with nonmachinable First-Class Mail. This guide separates the stamp’s postal purpose from its artwork and from the living species it depicts.

The Baltimore Checkerspot stamp belongs to the U.S. Postal Service tradition of butterfly designs associated with nonmachinable First-Class Mail. This guide separates the stamp’s postal purpose from its artwork and from the living species it depicts.

The Monarch Butterfly stamp belongs to the U.S. Postal Service tradition of butterfly designs associated with nonmachinable First-Class Mail. This guide separates the stamp’s postal purpose from its artwork and from the living species it depicts.

Explore USPS butterfly stamps by issue year and postage value, and learn when they suit nonmachinable letters and wedding invitations.

Eight documented U.S. stamp rarity case studies, with clear distinctions among production, survival, condition, and market value.

Compare five documented U.S. patriotic stamp issues, including multi-design releases, through their issue records and visible imagery.