Aureus minted in 193 by Septimius Severus to celebrate XIIII Gemina Martia Victrix, the legion that proclamed him emperor.

The aureus (pl. aurei) was a gold coin of ancient Rome valued at 25 silver denarii. The aureus was regularly issued from the 1st century BC to the beginning of the 4th century AD, when it was replaced by the solidus. The aureus is approximately the same size as the denarius, but is heavier due to the higher density of gold. Septimius Severus, 193–211 AD. Aureus (7. ... Septimius Severus, 193–211 AD. Aureus (7. ... Events June 1 – Roman Emperor Didius Julianus is assassinated in his palace. ... Septimius Severus alabaster bust. ... Legio XIV Gemina Martia Victrix was a legion of the Roman Empire created by Octavian. ... General Name, Symbol, Number gold, Au, 79 Chemical series transition metals Group, Period, Block 11, 6, d Appearance metallic yellow Atomic mass 196. ... word coinage Coín (a town in Malaga province in Spain) 1¢ euro coin A coin is usually a piece of hard material, generally metal and usually in the shape of a disc, which is issued by a government to be used as a form of money. ... Ancient Rome was a civilization that existed in Europe, North Africa, and the Middle East between 753 BC and its downfall in AD 476. ... First row : c. ... A solidus (the Latin word for solid) was originally a gold coin issued by the Romans. ...

Before the time of Julius Caesar the aureus was struck very infrequently, usually to make large payments from captured booty. Caesar struck the coin more frequently and standardized the weight at 1/40th of a Roman pound (about 8 grams). The mass of the aureus was decreased to 1/45th of a pound during the reign of Nero. Gaius Julius Caesar (Classical Latin: IMP·C·IVLIVS·CAESAR·DIVVS) (b. ... The gram or gramme, symbol g, is a unit of mass. ... Nero Nero Claudius Caesar Augustus Germanicus (December 15, 37–June 9, 68), born Lucius Domitius Ahenobarbus, also called (50–54) Nero Claudius Drusus Germanicus, was the fifth and last Roman Emperor of the Julio-Claudian dynasty. ...

After the reign of Marcus Aurelius the production of aureus decreased, and the weight was further decreased to 1/50th of a pound by the time of Caracalla. During the third century gold pieces were introduced in a variety of fractions and multiples making it hard to determine the intended denomination of a gold coin. Marcus Aurelius depicted in The Thoughts of Marcus Aurelius Antoninus, as translated by George Long Imperator Caesar Marcus Aurelius Antoninus Augustus (April 26, 121 – March 17, 180) was Roman Emperor from 161 to his death in 180. ... Caracalla Caracalla (April 4, 186–April 8, 217) was emperor of the Roman Empire from AD 211–217. ...

Constantine introduced the solidus in 309. replacing the aureus as the standard gold coin of the Roman empire. The solidus was a larger diameter and flatter coin, while the aureus was smaller and chunky and similar to the denarius in fabric. Bronze, contemporary head of Constantine. ... A solidus (the Latin word for solid) was originally a gold coin issued by the Romans. ...

See also

• Roman currency
• Staphylococcus aureus

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Aureus