When were roman coins invented?

When the Roman Empire was in power several thousand years ago. Which would have been in the BC times.

Answer: The Romans did not invent coins.

The Romans probably knew of coins from previous users. Although the legendary founding of Rome was in 763 BCE there is no proof of Romans "inventing" coins. The first examples of minted coins in the world are found as early as 610-600 BCE by King Alyattes in Sardis, Lydia, Asia Minor (present-day Turkey). The concept could then have spread to Rome sometime after their use in Sardis. The exact date of this was not known but the first, relatively shapeless, Roman coins were issued around 330 BCE (some 300 years later) and were called the "Aes"

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