Watch List notes:

Diocletian (284-305). BI Antoninianus, Heraclea mint. Obv. IMP CC VAL DIOCLETIANVS PF AVG. Radiate and cuirassed bust right. Rev. VICTORIA AVGG. Emperors standing face to face, holding globe surmounted by Victory; between them, Γ; in exergue, •XXI•. RIC V 277. BI. g. 3.50 mm. 23.00 Superb. Fully silvered with reddish highlights. EF.