Here are 20 rare state quarters worth additional value, according to Gainesville Coins, USA CoinBook and PCGS.

With a circulating mintage of just 200,000, the coin knocked the Kew Gardens 50p off the top spot, becoming the rarest 50p in ...

A collection of rare 50p coins has sold for 1000 times its face value in Essex. The coins were listed for sale on eBay in Colchester before they were bought for more than £550.

After inspiring a mini bidding war between 24 bidders, the rare Royal Mint 50p coin sold for £125.08 on eBay this week ...

Only 150,000 of these error coins were released in Philadelphia, with some selling for up to $2,185 at auction.

The 2010 penny error coins represent some of the most exciting finds for modern coin collectors. This was the first year of the Lincoln Shield reverse design, making ...

The rare coin, which has been sold for more than £500, is still believed to be in circulation and features an error that makes it extremely valuable ...

Brits have been told it’s “time to get rich” if they have four coins currently in circulation. Specific versions of these ...

Here's what you need to know about finding these rare and valuable coins ...