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Up for auction is a Roman Antoninianus coin of Diocletian from 287 AD

ID# 259P

MINT: XXIA (Rome)

OBVERSE; IMP DIOCLE-TIANVS AVG

- Radiate and draped bust right.

REVERSE; IOVI CONSERVAT AVGG

- Jupiter standing left, holding thunderbolt and scepter; eagle to left.

REFERENCE: RIC V-2 164 Rome