47 Household Hacks That You Never Knew About Before

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Ridges on Coins

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In case you haven’t noticed this before, check your quarters and dimes for ridges, as well as the fact that nickels and pennies are smooth. This is because back in the day, coins were stamped in order to reflect their weight, which also showed their true value. The ridges were put in by minters so that people wouldn’t shave down the edges to make new coins. This was one of the easiest ways to tell whether they had been tampered with or not. Although it’s not necessary today, quarters and dimes are still made this way.