279 AD., Probus, Siscia mint, Æ Antoninianus, RIC 770.

Probus, Siscia mint, 6th emission, officina 3, 279 AD.,
Æ Antoninianus (21-23 mm / 4,14 g),
Obv.: IMP PROBVS P F AVG , radiate and cuirassed bust of Probus left.
Rev.: S - OLI INVI - CTO / XXI T , Sol in quadriga galloping left, right hand raised, left holding whip.
RIC V-2 Siscia 770 ; Alföldi Type 76, 10 .