Sun Science (Coronal Hole, Coronal Loops, Solar Flare, Active Sun, Plasma Blast, Sunspots) (Sheet of 20) First-Class Mail Forever Postage Stamps 2021 Scott 5598-5607

These self-adhesive USPS Forever stamps are being issued in Sheets of 20 Stamps

These USPS Forever stamps will always be equal in value to the current domestic 1 ounce letter postage price

This beautiful USPS Forever stamp can be used on RSVP envelopes often enclosed with wedding invitations, party invitations, thank-you notes, announcements, or any other correspondence.