Watch List notes:

Probus, 276-282. Antoninianus (Silvered bronze, 23 mm, 3.92 g, 6 h), Ticinum, 281. VIRTVS PROBI AVG Radiate, helmeted and cuirassed bust of Probus to left, holding spear in his right hand and decorated shield in his left. Rev. SECVRIT PERP / I / VI XXI Securitas standing front, head to left, her legs crossed, placing her right hand on head and leaning left on column. Cohen 617. RIC 526. Nearly fully silvered. Extremely fine.