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A small round gold Roman coin bears the profile portrait of Emperor Antoninus Pius and a surrounding inscription.
Roman, minted in Rome · Art Institute of Chicago · Public Domain · Reuse terms

Roman Empire / 138

A new emperor, struck in gold.

Aureus Portraying Emperor Antoninus Pius

This gold aureus was minted in Rome in 138, the first year of Antoninus Pius’s reign. Its carefully centered imperial image belongs to a coinage associated with the prosperous era later labeled that of the “Good Emperors.”

A coin makes political succession portable. Its valuable metal, controlled portrait, and technical finish carried an emperor’s presence through transactions far beyond the court.

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The aureus was minted in Rome in 138, when Antoninus Pius began a reign that lasted until 161. It is gold and measures 1.9 centimetres across. The compact object joined monetary value with an official imperial portrait.

The Art Institute places the coin within the period beginning with Nerva in 96, whose rulers were later grouped as the “Good Emperors.” The label is a retrospective judgment rather than a title used by every inhabitant of the empire. It reflects a tradition that regarded the era as comparatively stable and prosperous.

Gold aurei from this period were often round, well struck, and centered. Those qualities depended on preparing the blank and aligning the dies before the blow that impressed the design. The finish made the portrait legible while the gold marked a denomination far beyond everyday small change.

A portrait coin is evidence of how imperial authority chose to appear, not a neutral photograph of a ruler or a complete measure of a reign. This museum record supplies the object’s date, material, size, and historical framing. Reading its full political message also requires study of both faces, legends, minting context, and circulation.

Art Institute of ChicagoAureus (Coin) Portraying Emperor Antoninus Pius

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