In less than two months paper fivers cease to be legal tender, but there is one place in Britain where no matter how old your paper money is they guarantee to swap it.
There were close to 165 million paper £5 notes still in circulation at the start of the year, but in less than two months they all cease being legal tender.
And the move to plastic fivers is gathering pace, with the Bank of England telling retailers to stop handing them out the paper version in change this week.
The final cut off is May 5 this year when the paper £5 note will cease to be legal tender. Some shops might still take them, but they will be well within their rights to refuse.
"Some retailers, banks and building societies may choose to accept paper £5 notes after the withdrawal date. However this is at the discretion of the individual institution," the Bank of England said on Tuesday.
But there is a way to still get your money's worth after that date.
The one place that will always let you swap them
There's one way to guarantee to get your old £5 note swapped – head to the Bank of England itself.
That phrase "I promise to pay the bearer on demand" is something that doesn't have a time limit on it, the Bank told Mirror Money.
The Bank of England's head office in London's note exchange desk lets anyone with an out of date note swap it for a current one – meaning anyone with a fiver can head there and swap their paper fivers for polymer ones.
In fact, even if a note's ripped, smashed or otherwise vandalised, as long as there's enough left to identify what it was they will swap it for a new one.
To exchange your banknotes in person you can take them to the following address:
Bank of England
Threadneedle Street
London
EC2R 8AH
Threadneedle Street
London
EC2R 8AH
The counter is open from Monday to Friday: 9:00am - 4:00pm, excluding Bank
Holidays.
You can also exchange them by posting them to the Bank.
What will happen to the paper £5 notes that are withdrawn?
The old fivers will be recycled using a composting treatment.