Watch List notes:

Bil.Antoninianus Probus, Cyzicus c.277, obv. VIRTUS PROBI AVG helmeted bust l. carrying spear and shield ornamented with galloping horseman, rev. ADVENTVS PROBI AVG emperor on horseback l. with raised hand, captive before, S in ex. (RCV 11955v ; RIC 904v) An outstanding example, EF silvered and richly toned, rare, ex W.C.Boyd with his ticket, bt.Spink Dec.1893

Estimate: 140-200 GBP