the world's most valuable coins and their value in different countries, including one euro coin
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Small World Coins

In the United States, our smallest circulating coin is the dime (10 cents). Its diameter is 18mm (a little less than 3/4 of an inch), which is only 1mm smaller than the penny (1 cent). The size difference is not easily noticed, which is why the dime is a different color (silver) and has a reeded edge to make the 2 coins more distinguishable. While the dime seems pretty small, there have been plenty of modern world coins which are even smaller. The main reason to mint a small coin is, of…

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