A bronze or brass coin of the Roman Empire, equal to two asses or half a sesterce.
罗马小铜子（罗马帝国的铜币，等于两个阿斯，半个塞斯特斯）
Example sentencesExamples
They were often well made, though, so they were often countermarked with DV (for ‘dupondius’) and circulated as dupondii.
Some copper alloy coins (sestertii, dupondii and asses) of the 1st to 3rd centuries AD can be identified as contemporary copies.
The following dupondius of Tiberius from the official mint of Rome has a more direct connection with Livia and bears a portrait that clearly resembles statues of the empress.
There have been six coins recovered from the environs of the fort; single denarii of Galba and Trajan, 2 dupondii of Antoninus Pius and 2 copper coins of uncertain minting.
These can usually be separated from the similarly sized dupondius by the laureate or bare head.
The dupondius was made of Orichalchum, yellow when new, and the as of bronze, red when new.
He attributes the Pietas dupondii to Livilla.
However, since Caligula also struck dupondii for his deceased brothers, and the reverse design of the Germanicus dupondius is copied onto this Herodian coin struck late in Caligula's reign, there seems little reason to question the traditional view.
I knew about the dupondii being brass, but I wasn't aware that zinc was a premium metal at the time.
Issue 4 was marked by a return to striking sestertii and dupondii in brass and asses and quadrantes in copper; semisses were no longer produced at the Rome mint.
Starting with the dupondii of the emperor Nero in 64 AD, the denomination can be identified easily by the presence of a ‘radiate’ crown (one with a handful of parallel bars pointing up) on the emperor, or by a crescent moon below the bust of an empress.
Both coins are genuine dupondii of an official mint of Nero.
The basic coinage instituted by Augustus comprised the copper quadrans, brass semis, copper as, brass dupondius and sestertius, silver denarius, and gold aureus.
The sestertius, dupondius, and as were issued more or less continuously, but fell out of use when the antoninianus became a bronze coin.