Is this rare 50p more valuable than the Kew Gardens coin?
The Kew Gardens 50p is the rarest designs in circulation - but the withdrawn 1992-1993 EC coin has an even lower mintage. How valuable could it be?
Could you spot the rarest 50p coins in the Olympics series?
The Olympic 50p coins, released to mark the 2012 London Games, have become sought-after collectors' items. Find out which design is most valuable.
Over 169m ’round pounds’ still in circulation: how to spot a rare £1 coin
Over 169m old £1 coins are still out there, despite no longer being legal tender. Which? explains how to trade them in, and which designs are valuable.
Could this rare £5 note be worth £50,000?
Four banknotes engraved with Harry Kane's face have been released into circulation - and the lucky person who finds one could be in for a windfall.
Revealed: the rarest 50p coins of 2018
The Royal Mint has revealed which 50p coins from 2017 have the lowest mintage figures - so do you have one of these rare coins in your change?
Rare 50p coins: the latest release is available right now
A rare collectible 50p coin design of Paddington bear has just been released - we explain how to get one, and find out how much it could be worth
The £2 coin turns 20: have you got a rare coin?
As the £2 coin turns 20 this year Which? reveals the rarest and most valuable designs in circulation that could earn you a pretty penny.
Could you find a rare 10p coin at the local chippie?
Fish and chip shops around the UK have been handing out special edition 10p coins. We look at how rare these A-Z coins are compared to valuable 50ps.
Revealed: the rare 50p coins worth more than £80
We find out the rarest and most valuable 50p coins, explain what makes a coin valuable, and give tips on what to watch out for when investing in coins
With the future of 1p and 2p coins under scrutiny, is your small change worth a fortune?
While the government consults on a proposal to scrap little-used currency, Which? looks at the rarest 1p and 2p coins and most valuable £50 banknotes.