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| | biology - As (coin) |
 | | The as was a bronze, and later copper, coin used during the Roman Republic and Roman Empire. |
 | | In addition to the as, fractions, the bes (2/3), semis (1/2), quincunx (5/12), triens (1/3), quadrans (1/4), sextans (1/6), uncia (1/12), and semuncia (1/24), and multiples, the dupondius (2), tressis (3), quadrussis (4), quinquessis (5), and denarius (10), of the as were produced. |
 | | It was the lowest valued coin regularly issued during the Roman Empire, with semis and quadrans being produced infrequently and then not at all by the time of Marcus Aurelius. |
| www.biologydaily.com /biology/As_(coin) (259 words) |
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