The United States is marking 250 years with a fresh set of circulating coins, but the designs are already sparking debate ...

Collectors look for these 4 things when putting a price on vintage coins.

A rare 20p coin has sold for nearly 200 times its face value after being listed on eBay. The undated coin, minted in 2008 and listed as having a 'mule error,' sold for £39.99 on Monday, January 5.

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