Sestertius - Trajan DACIA AVGVST PROVINCIA S C, Dacia

Struck to commemorate Trajan's two Dacian campaigns of 101–102 and 105–106, which ended with the sack of Sarmizegetusa and the suicide of the Dacian king Decebalus. The province established in the aftermath became one of Rome's most actively colonized — Latin speakers were transplanted there in such numbers that modern Romania derives its language directly from that settlement.

RIC II 621 belongs to a tight chronological window between the formal organization of the province and Trajan's departure for the Parthian campaigns, making it a precise administrative timestamp.