Very clean item with rare postmark.  John Audebert Grimball was one of six children of Thomas Grimball and Ann (Audebert) Grimball.[1] In 1821, Grimball was elected by the Mississippi Legislature to succeed Daniel Williams as the Secretary of State of Mississippi after Williams's resignation. Grimball was re-elected on January 7, 1824; January 12, 1828; January 13, 1830; and December 1, 1831. In the 1837 Mississippi gubernatorial election.  Grimball ran for the office of the Governor of Mississippi as a Whig, but lost .

The only content is the name of the sender: Henry Goodhue Johnston. Further research needed regarding him..