279 AD., Probus, Rome mint, Æ Antoninianus, RIC 157.

Probus, Rome mint, 6th officina, emission 4?,
silvered Æ Antoninianus (23-24 mm / 4.18 g), 279 AD.,
Obv.: IMP PRO - BVS AVG, radiate, helmeted, cuirassed bust left, holding spear and shield.
Rev.: ADVEN - TVS AVG, Emperor riding left, right hand raised, left holding sceptre; at foot, captive, R (crescent) S in exe.
RIC 157 Bust Type G ; C. 37 .