Millions of dollars worth of $1 coins languish in a vault at the Federal Reserve Bank of Richmond's Baltimore branch. John W. Poole/NPR hide caption
Presidential Dollar Coin Program Unused dollar coins, worth more than $1 billion, have been quietly piling up in Federal Reserve vaults thanks to a government program that has required their production since 2007.
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Presidential Dollar Coin Program
Unused dollar coins, worth $1 billion, have been piling up in Federal Reserve vaults.Jane Liaw Liaw orders coins from the U.S. Mint to earn frequent-flier miles. Jane Liaw hide caption
Dollar coins gathering dust in the Fed's Baltimore brach. John W. Poole/NPR hide caption
Teacher Rebecca Kayes shows off the dollar coins she uses in Quito, Ecuador. Rebecca Kayes hide caption