The Green Succulent Global Forever international rate stamp will be available in panes of 10 stamps to be issued April 28. It can be used to mail a 1-ounce letter to any country where First-Class Mail International service is available. The stamp features a photograph of an echeveria, a succulent native to the Americas. William J. Gicker was the art director and Greg Breeding designed the stamp with an existing photograph by Erika Kirkpatrick. The first-day-of-issue will be in San Francisco.