A ' very rare' 50p coin has been put up for sale in Swindon for more than £20,000. The collector's item, released in 1997, features a scratch down the middle of the number five and has been listed on ...

Known Coins That Are Worth Thousands of Dollars Read Next: 6 Things You Must Do When Your Savings Reach $50,000 Some of the ...

As with just about any asset, a coin's value is determined by its market demand. This means that coins in short supply often see higher demand -- and higher values. With coins, supplies are ...