The most valuable quarters may look innocuous at first ... the American Revolution only ended 21 years prior, and the United States' financial institutions were in their infancy.

While there are a lot of valuable old coins out there, perhaps none have enjoyed such an enduringly mysterious origin story ...

Here are 20 rare state quarters worth additional value, according to Gainesville Coins, USA CoinBook and PCGS. Keep in mind that “error” coins — the ones primarily included on this list ...

President Trump's meme coin had lost 88% of its value. But an offer of dinner with the president helped boost its price on ...