The new notes are now in circulation - but some serial numbers are attracting sky-high prices. Here's how to spot a special fiver
There's another rare £5 note type selling for thousands of pounds - Mirror Online
This plastic £5 note just sold for £60,000 on - and this is why - CoventryLive
The May Collector's Series Sale by Spink and Son - Issuu
5 note sells for £16,800: how to spot a valuable note - Which? News
The most valuable £5 notes - serial numbers and the 'AA' codes to watch for - Mirror Online
How much is my polymer banknote really worth? - Change Checker
The new £10 note enters circulation today - here is everything you need to know - Wales Online
The new plastic £10 notes which could be worth thousands include AH and JA serial codes - Bristol Live
This plastic £5 note just sold for £60,000 on - and this is why - CoventryLive