The euro has been an enormous boon to numismatics in Europe and beyond for two decades, resulting in an explosion of circulating and commemorativecoins collected by millions of citizens in Europe and others in the U.S., Asia and elsewhere.

One measure of the number of new releases is that each year's annual Lighthouse catalog of euro coins sees an average increase of about 30pages (with each page usually listing eight coins or sets) over the previous year, with the 2019 edition coming in at just under 700 pages. Anothermeasure is the proliferation of blogs, Facebook pages, and websites devoted to collecting euro coins.

In fact, the impact of the euro on numismatics in Europe is a key reason why the European numismatic market is now believed to be larger than thatof the United States in terms of collectors if not also sales - with a substantial chunk of that activity coming from collectors in Germany.

Since the euro's introduction, European mints have not only vastly expanded their offerings but have also been at the forefront oftechnological innovation, such as the introduction in 2016 by the German Mint of coins with a polymer ring.

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The Coin Analyst: The Euro's Impacton Numismatics After 20 Years (https://coinweek.com/world-coins/the-coin-analyst-the-euros-impact-on-numismatics-after-20-years/)