Watch List notes:

Probus. AD 276-282. Antoninianus (24mm, 4.63 g, 12h). Rome mint, 6th officina. 3rd emission, AD 278. IMP PROB VS AVG, radiate, helmeted, and cuirassed bust left, holding spear over shoulder and shield decorated with pellets / ADVEN TVS AVG, Probus riding horse left, raising hand and holding scepter; to left, bound captive seated left; R * ς. RIC V 157; Pink VI/1, p. 44. Toned silvering. Choice EF.

From the Brian Holland Collection.