C
VALENS HOSTIL MES QVINTVS N C (Translation: Caius Valens Hostilianus Messius Quintus Nobilissimus Caesar. Caius Valens Hostilianus Messius Quintus, the most noble Caesar.)
Reverse description
Apollo, half-draped, seated left, holding branch in right hand and resting elbow on lyre.
Reverse script
Latin
Reverse lettering
PRINC
IVVENT S C (Translation: Principes Juventutis. Senatus Consultum. Prince of the youth. Decree of the senate.)