Roman Empire, Probus, Antoninian Siscia - rare type with lion

Very rare and desirable dated reverse type (CONS II) with lion walking left and head of ox before him.

Virtually as struck with great details and full slivering. 

OBVERSE: IMP C M AVR PROBVS AVG
REVERSE: P M TRI P COS II P P = lion walking left, head of ox before him
BUST TYPE: B = radiate, cuirassed bust right
FIELD / EXERGUE MARKS: -/-//XXIT
WEIGHT 4.63g / AXIS: 12h / WIDTH 23-24,5mm