From the USPS, November 22nd, 2016:
This new Forever stamp is similar in design to the two-ounce Celebration Corsage stamp and can be used for weddings and RSVP cards. It also is perfect for party invitations, thank-you notes, announcements, birthday cards, Father’s Day cards and other occasions. The stamp art features a photograph of an arrangement of ranunculus, with floral accents of succulents, Astrantia, Berzelia, and clubmoss greenery. The ribbon wrapping the stems harmonizes with the colors and textures of the plant material. The boutonniere was arranged by floral designer Carol Caggiano and photographed by Renée Comet. Art director Ethel Kessler designed the stamp.