Probus Antoninianus, struck AD 276 - 282 at Siscia mint. Obv: IMP PROBVS INV AVG, radiate, draped and cuirassed bust right. Rev: FELICITAS AVG / XXI (in exergue), Felicitas standing left, holding cornucopia, sacrificing over small altar from patera. 2,63 g, 22 mm. RIC 679