High Quality Content by WIKIPEDIA articles! A quincunx (IPA) is a geometric pattern consisting of five coplanar points, four of them forming a square or rectangle and a fifth at its center. It forms the arrangement of five units in the pattern corresponding to the five-spot on dice, playing cards, or dominoes. The quincunx was originally a coin issued by the Roman Republic c.211-200 BC, whose value was five twelfths (quinque + uncia) of an as, the Roman standard bronze coin. On the Roman quincunx coins, the value was sometimes indicated by a pattern of five dots or pellets. However, these dots were not always arranged in a quincunx pattern.

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