In the early age of coins trading, after coins were struck some people would excise small pieces from the edge of the coin, and after doing this over and over they would amalgamate large quantities of silver. It was such a problem the British government became involved. Sir Isaac Newton came up with the ridged coin as a solution (which is why to this day coins have ridges). The British government proclaimed and made it law that if any of the ridges were missing from any coin, said coin was no lo...
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