Note: very rare reverse type struck only at Rome and Siscia. This reverse type at Siscia is however much, much rarer than at Rome!
Beautiful example with much original silvering remaining!
OBVERSE: IMP C M AVR PROBVS P AVG
REVERSE: P M TR P COS P P; Emperor standing between two standards, right hand raised, left hand holding sceptre
BUST TYPE: E1 = radiate, cuirassed and helmeted bust left, holding spear and shield
FIELD / EXERGUE MARKS: -/-//XXIS
WEIGHT 3.20g / AXIS: 12h / WIDTH 22-23mm