ANTONINVS AVG PIVS P P TR P XXI (Translation: Antoninus Augustus Pius, Pater Patriae, Tribunicia Potestate Prima Vicesima. Antoninus Pius, emperor (Augustus) father of the nation, holder of tribunician power for the 21st time.)
Reverse description
Fortuna, standing left, holding patera and rudder on globe, and cornucopiae.
Reverse script
Latin
Reverse lettering
FORTVNA
OBSEQVENS COS IIII S C (Translation: Fortuna Obsequens Consul Quartum. Senatus Consultum. Dutiful Fortuna. Consul for the fourth time. Decree of the senate.)