Probus, Siscia mint, officina 2, emission 2, 277 AD.,
silvered Æ Antoninianus (22 mm / 3,79 g),
Obv.: IMP C M AVR PROBVS AVG , radiate, draped and cuirassed bust of Probus right, seen from behind.
Rev.: FELICITAS AVG / B (in right field) / XXI , Felicitas standing left by altar, holding patera and long caduceus.
RIC 675 ; Alföldi type 28, n° 3 .