Watch List notes:

Probus. 276-282 AD. Billon Tetradrachm, 8.16gg (11h). Year 3 = 277/8 AD. Obv: A K M AVP ΠPO - BOC CEB Bust laureate, cuirassed right, seen from front, fold of cloak on front shoulder / Probus on horse stepping left, raising right hand in greeting and holding transverse scepter; in right field, date LΓ. Emmett 3988/3 (R5, citing Curtis 1182). Not in Dattari-Savio, Cologne, Oxford, or BMC.