Most of us have dozens of old coins in our attics, drawers and cupboards, but did you know that some of them could be worth a mint?Because our currency is set to change again this year - we're getting a new 12-sided £1 coin later this month - rusted coins can be worth a bit of cash.But it's not just the rusted ones, coin collecting site Change Checker's new 'Scarcity Index' has identified the rarest £1 coins currently in circulation.READ MORE: When do the clocks go forward in 2017?In...
