Probus, AV aureus, Siscia mint. 6.78 gr. IMP C M AVR PROBVS PF AVG, helmeted, laureate, draped, cuirassed bust left, holding spear and shield decorated with gorgoneion. P M TRI P COS III around and beneath emperor in slow quadriga right, holding eagle-tipped sceptre. RIC 579 var (obv. legend); Cohen 453 var (ditto); Calic̣ 4177 var (ditto). With kind permission of Numismatica Ars Classica, 2003.