An 8-year-old boy playing in a sandbox at his elementary school in Germany unearthed an 1,800-year-old silver coin minted during the Roman Empire's Pax Romana.

Overwhelmed with excitement for literally finding buried treasure in the schoolyard, the fourth grader - identified only by his first name, Bjarne - rushed home to show the coin to his family in Bremen, a city in northern Germany, upon finding it in August 2022. After his parents contacted authorities, archaeologists confirmed that the coin was a Roman denarius minted during the reign of Emperor Marcus Aurelius Antoninus, who held the throne from A.D. 161 to 180, according to a translated statement released on Aug. 11.

The heavily worn coin, which weighs 0.08 ounce (2.4 grams), was minted during a "time of coin deterioration" when the Roman Empire decreased the silver content in its currency, a direct result of inflation, Uta Halle, the state archaeologist, said in the statement.

Halle called the find "something very special," since it's one of the few times a denarius has been discovered in Bremen, according to the statement. While this region of Germany was never under Roman rule, it was inhabited by the Chauci, an ancient Germanic tribe that often traded with ancient Romans. This could explain how the coin wound up buried in German soil, according to The History Blog.

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8-year-old unearths Roman-era silver coin in school sandbox(https://www.livescience.com/archaeology/romans/8-year-old-unearths-roman-era-silver-coin-in-school-sandbox)