Sixth U.S. Butterfly stamp's technical details, issue date announced

The square stamp, which was initially announced in August without issue details, depicts an eastern tailed-blue butterfly.

4999 - 2015 71c Eastern Tiger Swallowtail Butterfly - Mystic Stamp Company

Liberty Issue (1954-1968)

Dates, locations announced for four 2022 U.S. issues

Transportation Issue (1981-1995)

Insects on stamps - Australia Post

Sixth stamp in U.S. Butterfly series planned

First Day of Issue Butterflies United States 13 Cent Denomination Stamps for sale

Stamp Announcement 12-6: Baltimore Checkerspot (Butterfly)

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4000 - 2006 24c Common Buckeye Butterfly, water-activated gum

1712-15 - 1977 13c Butterflies - Mystic Stamp Company

5346 - 2019 70c California Dogface Butterfly - Mystic Stamp Company