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This is an ancient Roman silver denarius, of Emperor Hadrian, struck at Rome between 119 - 122 AD
Obverse: IMP CAESAR TRAIAN HADRIANVS AVG "Supreme commander (Imperator), Caesar, Trajan Hadrian, emperor (Augustus)" Bust of Hadrian, laureate, right.
Reverse: P M TR P COS III. Pax "High priest, holder of tribunician power, consul for the third time. Peace." Pax seated left, holding Victory and branch.
DATE: 117 - 138 AD (this coin minted between 119 - 122 AD)
SIZE: 18mm dia
WEIGHT: 3.26 grams
ATTRIBUTION: RIC 95, Cohen 1147, Kampmann 32.90.13.
PROVENANCE: Private collection. Bremen, Germany.