The ''dupondius'' (

Latin Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through the power of the ...

''two-pounder'') was a

brass Brass is an alloy of copper (Cu) and zinc (Zn), in proportions which can be varied to achieve different mechanical, electrical, and chemical properties. It is a substitutional alloy: atoms of the two constituents may replace each other with ...

coin A coin is a small, flat (usually depending on the country or value), round piece of metal or plastic used primarily as a medium of exchange or legal tender. They are standardized in weight, and produced in large quantities at a mint in order t ...

used during the

Roman Republic The Roman Republic ( la, Res publica Romana ) was a form of government of Rome and the era of the classical Roman civilization when it was run through public representation of the Roman people. Beginning with the overthrow of the Roman Kin ...

and

Roman Empire The Roman Empire ( la, Imperium Romanum ; grc-gre, Βασιλεία τῶν Ῥωμαίων, Basileía tôn Rhōmaíōn) was the post-Republican period of ancient Rome. As a polity, it included large territorial holdings around the Mediterr ...

valued at 2

asses Ass most commonly refers to: * Buttocks (in informal American English) * Donkey or ass, ''Equus africanus asinus'' **any other member of the subgenus ''Asinus'' Ass or ASS may also refer to: Art and entertainment * Ass (album), ''Ass'' (album ...

(4/5 of a

sestertius The ''sestertius'' (plural ''sestertii''), or sesterce (plural sesterces), was an Ancient Rome, ancient Roman Roman currency, coin. During the Roman Republic it was a small, silver coin issued only on rare occasions. During the Roman Empire it w ...

or 1/5 of a

denarius The denarius (, dēnāriī ) was the standard Roman silver coin from its introduction in the Second Punic War to the reign of Gordian III (AD 238–244), when it was gradually replaced by the antoninianus. It continued to be minted in very ...

during the Republic and 1/2 of a sestertius or 1/8 of a denarius during the time of

Augustus Caesar Augustus (born Gaius Octavius; 23 September 63 BC – 19 August AD 14), also known as Octavian, was the first Roman emperor; he reigned from 27 BC until his death in AD 14. He is known for being the founder of the Roman Pri ...

). The dupondius was introduced during the Roman Republic as a large bronze

cast Cast may refer to: Music * Cast (band), an English alternative rock band * Cast (Mexican band), a progressive Mexican rock band * The Cast, a Scottish musical duo: Mairi Campbell and Dave Francis * ''Cast'', a 2012 album by Trespassers William * ...

coin, although even at introduction it weighed less than 2 Roman pounds (''librae''). The initial coins featured the bust of

Roma Roma or ROMA may refer to: Places Australia * Roma, Queensland, a town ** Roma Airport ** Roma Courthouse ** Electoral district of Roma, defunct ** Town of Roma, defunct town, now part of the Maranoa Regional Council *Roma Street, Brisbane, a ...

on the obverse and a six-spoked wheel on the reverse. A loaf of bread or a sextarius (c. 0.5 L) of wine cost roughly one dupondius at the height of the Roman Empire, though due to the debasement of the denarius over the following century, the dupondius was discarded. With the

coinage reform of Augustus The coinage reform of Augustus refers to the reform of Roman currency undertaken by Augustus in 23 BC. The reform Augustus brought the minting of gold and silver coins, the '' aureus'' and denarius, under his personal control without changing ...

in about 23 BC, the sestertius and dupondius were produced in a type of

called

orichalcum Orichalcum or aurichalcum is a metal mentioned in several ancient writings, including the story of Atlantis in the '' Critias'' of Plato. Within the dialogue, Critias (460–403 BC) claims that orichalcum had been considered second only to g ...

by the Romans and numismatists, while lower denominations were produced out of reddish copper. However, some dupondii were made entirely from

copper Copper is a chemical element with the symbol Cu (from la, cuprum) and atomic number 29. It is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. A freshly exposed surface of pure copper has a pinkis ...

under

, while under

Nero Nero Claudius Caesar Augustus Germanicus ( ; born Lucius Domitius Ahenobarbus; 15 December AD 37 – 9 June AD 68), was the fifth Roman emperor and final emperor of the Julio-Claudian dynasty, reigning from AD 54 un ...

some aes were made from both orichalcum and copper, instead of only copper for aes coined until then. Therefore, the latter can only be distinguished from dupondii by their smaller size instead of by also the appearance of the metal. The dupondius was normally further distinguished from the similarly sized as with the addition of a

radiate crown A radiant or radiate crown, also known as a solar crown, sun crown, Eastern crown, or tyrant's crown, is a crown, wreath, diadem, or other headgear symbolizing the sun or more generally powers associated with the sun. Apart from the Ancient ...

to the bust of the emperor in 66 AD during the reign of Nero. Using a radiate crown to indicate double value was also markedly used on the

antoninianus The ''antoninianus'' or pre-reform radiate, was a coin used during the Roman Empire thought to have been valued at 2 denarii. It was initially silver, but was slowly debased to bronze with a minimal silver content. The coin was introduced b ...

(double denarius) introduced by

Caracalla Marcus Aurelius Antoninus (born Lucius Septimius Bassianus, 4 April 188 – 8 April 217), better known by his nickname "Caracalla" () was Roman emperor from 198 to 217. He was a member of the Severan dynasty, the elder son of Emperor S ...

and the

double sestertius The double sestertius was a large Roman coin made of orichalcum (brass) first issued by Trajan Decius in AD 249–251, as a response to the inflationary pressures of the time which had devalued the buying power of the conventional sestertius. In ...

. Since dupondii minted prior to and during the reign of Nero, and occasionally under later rulers, lack the radiate crown, it is often hard to distinguish between the as and the dupondius due to heavy

patina Patina ( or ) is a thin layer that variously forms on the surface of copper, brass, bronze and similar metals and metal alloys (tarnish produced by oxidation or other chemical processes) or certain stones and wooden furniture (sheen produced b ...

which often obscures the coin's original color. An extremely rare dupondius from the reign of

Marcus Aurelius Marcus Aurelius Antoninus (Latin: áːɾkus̠ auɾέːli.us̠ antɔ́ːni.us̠ English: ; 26 April 121 – 17 March 180) was Roman emperor from 161 to 180 AD and a Stoic philosopher. He was the last of the rulers known as the Five Good ...

, dated to 154 or 155 and in excellent condition, was discovered in 2007 at the archaeological site in

Draper's Gardens Drapers Gardens is a site in the City of London at the junction of Throgmorton Avenue and Copthall Avenue on land owned by the Drapers' Company. Originally a garden space, it was largely built over by the early twentieth century. It has been the ...

, London.

References

{{Roman coinage Coins of ancient Rome Numismatics

See also

References