Denarius

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The denarius was a small silver coin introduced by the Roman Republic around 211 BCE during the Second Punic War, a period of significant military and economic strain for Rome. The coin’s name derives from the Latin deni, meaning “ten,” as it was initially valued at 10 asses (the basic bronze coin of Rome). This new coinage aimed to stabilize the Roman economy and facilitate trade by providing a consistent and portable form of currency.

The early design of the denarius typically featured the helmeted head of Roma, the personification of Rome, on the obverse (front) and the Dioscuri—Castor and Pollux, the twin sons of Zeus—riding horses on the reverse. Over time, designs evolved to include various gods, goddesses, and symbols of Roman achievements, reflecting the growing power and identity of the Republic and later, the Empire. The denarius was also marked with Roman numerals to indicate its value, an innovation that helped ensure its trustworthiness.

During the Roman Empire, beginning with Augustus in 27 BCE, the denarius became a cornerstone of the Roman monetary system and a symbol of imperial authority. It was used not only in daily commerce but also to pay soldiers, fund public works, and support the expansive Roman bureaucracy. The emperor’s portrait often appeared on the obverse, while the reverse depicted propaganda themes, such as military victories or divine favor.

Over time, the silver content of the denarius began to decline due to economic pressures, inflation, and the Empire’s need to fund its vast expenditures. By the 3rd century CE, the denarius had been significantly debased, with its silver content dropping to negligible levels. This degradation contributed to economic instability and the eventual replacement of the denarius by other coins, such as the antoninianus.

The denarius’ legacy endured long after its disappearance from circulation. It influenced coinage systems in medieval Europe, and its name survives in modern currencies like the dinar, used in several countries today.

Aelius 137 CE
Denarius | Flower | Portrait | Spes
Aelius (adopted son of Hadrian), as Caesar
AR Denarius. Rome, AD 137
3.27g, 16mm, 6h.
L AELIVS CAESAR, bare head to right / TR POT COS II, Spes advancing to left, holding flower and hitching robe.
RIC II.3 2648; BMCRE 979 (Hadrian); RSC 55
Ex collection of Z.P., Austria
Ex Roma
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