DaveWhitfield published You've seen the new fiver - so when will the new £10 note...

By now you'll have seen plenty of the new polymer fivers - the smaller, virtually indestructible notes which were introduced last month.But the £5 note isn't the only one which is moving to the new material. Both the £10 and £20 note are going to be produced in polymer versions, which the Bank of England prefers because they are more durable - as we found when we left one on a tram track - and harder to counterfeit.Here's what you need to know about the changes to both...