The United States Postal Service will celebrate the launch of its limited edition Johnny Cash “forever” stamp with an event at the Ryman Auditorium in Nashville on June 5. The issuance ceremony will begin at 10:30am and will feature performances and/or speeches by John Carter Cash, Carlene Carter, Larry Gallin, Jamey Johnson, The Oak Ridge Boys, The Roys, Marty Stuart and Randy Travis. 650AM radio personality Bill Cody will serve as the issuance ceremony’s emcee. Stamps will be available at the event, which will be free and open to the public.