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This is an ancient Roman AE (Orichalcum) Sestertius, of Emperor Didius Julianus, minted at Rome between 28 March – 2 June 193 AD.
Obverse: IMP CAES M DID SEVER IVLIAN AVG "Supreme commander (Imperator), Caesar, Marcus Didius Severus Julianus, emperor (Augustus)" Head of Didius Julianus, laureate, right.
Reverse: RECTOR ORBIS S C "Master of the world. Decree of the senate." Julianus, togate, standing left, holding globe in right hand and roll in left hand.
A very rare coin with a clear portrait and a nice brown patina.
MATERIAL: AE (Orichalcum)
DATE: 193 AD
SIZE: 27.73mm diameter
WEIGHT: 16.10 grams
ATTRIBUTION: RIC 16, Cohen 17, BMC 28
PROVENANCE: Formerly in a private collection, Somme. France