Bold signature, “Best Wishes/Ralph David Abernathy,” in green felt tip ink on a 6×4 green index card.  Very fine condition.  A pencil notation on the reverse side indicates that this autograph was obtained in person in October 1969.  John Verzi collection.  The civil rights advocate and mentor to Martin Luther King, Jr. inherited King’s mantle as leader of the Southern Christian Leadership Conference in 1968.