Following the sad news of the Queen's passing at Balmoral last week, the Bank of England has confirmed that coins bearing the Queen's portrait will be phased out.
Money that depicts the Queen is still legal tender, and the change is expected to be gradual. Plans for the transition to King Charles III's image on coins and notes will be announced following the nation's mourning period.
This means that certain coins with Her Majesty's image could become rare or even collectable - and could make Brits a fortune in later years due to their rarity.
People may now wonder which Queen Elizabeth II coins will become more valuable in the future.
The Mirror spoke to Jon White, a coin expert and the director of leading coin sellers Britannia Coin Company to find out which coins are likely to be worth huge sums of cash.
Which coins are the most rare and valuable?
According to Mr White, the rarest and most valuable coin of Queen Elizabeth II is the 2009 Kew Gardens 50p coin which currently has a value of £170.
The coin expert said: “One of the rarest coins featuring the portrait of the late Queen Elizabeth II is the Kew Gardens 50p coin, released in 2009.
"This coin was released to celebrate the 250th anniversary of the gardens and only 210,000 were put into circulation.
"This coin could easily be confused with the 2019 version of the design, so it’s important to check the date on yours if you happen to find one in your purse."
The second most valuable Queen Elizabeth II coin is the rare mule gold proof Double Sovereign £2 coin, struck with the wrong obverse.
The 22 gold carat coin was released in 1994 and it celebrates 300 years of the Bank of England with a special reverse inspired by the original Britannia seal of the UK’s central bank.
According to Mr White, this rare find has a current value of £5,000 as the "1,000 offered in this limited edition, individually boxed presentation were struck with an obverse missing the denomination."
Finally, the third most valuable coin showing the late Queen's portrait is the commemorative Edinburgh £1 coin, which was minted in 2011.
Mr White added: "Less than one million coins with this design are available, and it’s already selling for over 30 times its original value."
How much will these rare and valuable coins be worth in 10 years time?
Most coins tend to increase in value as time passes, and some of these rare finds could be worth a lot of money in 10 years time.
The Kew Gardens coin could be worth at least £230 in the next decade due to its rarity.
Mr White said: "While already valuable, the value will only continue to increase in the years to come as currency featuring Queen Elizabeth II’s portrait is phased out.
"I’d expect its value to reach at least £230 in the next decade, a 35% increase on what it’s currently worth (£170)".
The mule gold proof Double Sovereign £2 coin may currently be worth a whopping £5,000 but in 10 years time its value could double, making owners £10,000, according to the coin expert.
Finally, if you are one of the lucky owners of the commemorative Edinburgh £1 coin, you could bag yourself some cash for the rare find.
Mr White explained: "The coins are already out of circulation due to the change in shape of £1 pieces, but given that they also feature Queen Elizabeth II’s portrait they could be worth at least £65 in 10 years’ time.
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