• dellish@lemmy.world
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    8 hours ago

    He is also the inventor of all the ridges around the edge of coins, because at the time it made coins almost impossible to forge.

    • Trex202@lemmy.world
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      4 hours ago

      They added ridges so that the circumference couldn’t be shaved off and melted into more coins

      • mkwt@lemmy.world
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        4 hours ago

        Back then, the point of the coins was to represent that they contained a certain weight of metal, without forcing people to weigh them out all the time.