Probus. AD 276-282. Antoninianus (21mm, 4.21 g, 6h). Siscia mint, 3rd officina. 4th emission, AD 277. Radiate bust left, wearing imperial mantle and holding eagle-tipped scepter / Sol driving galloping quadriga left, raising hand and holding whip; XXIT. RIC 774; Alföldi, Siscia V 76.118; Pink VI/1, p. 50. EF, full silvering, toned.