This $ 10 reward for runaway slave know as "SMART"  was placed by Navy Agent George Willis  in the Pensacola Gazette in July 1840. Willis worked at the Pensacola Navy Yard in the 1840's and leased his bondsmen to the Navy.
George Willis, Navy Agent Pensacola Navy Yard placed July 18 1840.
1840-07
Pensacola Gazette, runaway slave reward for "SMART" dated July 22 1840,p.3 National Archives and Records Administration Washington DC