Rare Brexit 50p Coin: Error, Value and Rarity Guide

A rare Brexit 50p coin bearing a wrong date could be worth £40,000—but only two are known to exist, both having slipped through the Royal Mint’s destruction process. The coins were designed to mark Britain’s departure from the European Union, but political delays created three separate dates before a single version entered normal circulation. If you find one in your change, the standard 2020 coin is worth face value; the error variants are a different story entirely.

Known Error Coins: 2 · Top Auction Value: £40,000 · Official Release Date: 31 January 2020 · Error Description: Wrong exit date with three dates · Standard Value: Face value (50p)

The key facts about the Brexit 50p coin establish a clear contrast between the standard commemorative and the rare error variants that should have been destroyed.

What makes a 50p Brexit coin rare?

The Brexit 50p coin stands apart from ordinary commemoratives because it exists in two distinct flavours: the standard version with the correct date, and the error variants that were never supposed to see daylight. The rarity comes not from a mintage misprint but from a political process that kept shifting the exit deadline.

Her Majesty’s Treasury announced the coin on 29 October 2018 as part of the 2018 Budget, intended to mark Britain’s departure from the European Union (Chards). The original design featured 29 March 2019, the date the UK was due to trigger Article 50. Chancellor Philip Hammond went on the BBC’s Andrew Marr Show in March 2019 and stated the coins should not be melted down because “they would be collectors’ coins” (Chards).

Design and minting details

• Reverse text: “Peace, prosperity and friendship with all nations” with date below
• Minted by the Royal Mint in two batches
• Standard version released 31 January 2020 marking actual Brexit
• Error versions featured incorrect dates tied to abandoned exit deadlines

Error variants

Coins dated 29 March 2019 and 31 October 2019 are sometimes incorrectly called ‘errors’ when they are actually cancelled editions that were scrapped before release (Coin Identifier). The Royal Mint had already minted hundreds of thousands of the October 31, 2019 coins, in addition to 1,000 created as part of an earlier trial, before parliamentary wrangling made it unlikely the Brexit date would be October 31 (The Telegraph).

The implication: these coins were casualties of political delay, not factory mistakes.

What is the error on the 50p Brexit coin?

The error is not a misprint in the traditional sense. MPs forced Boris Johnson to delay his Brexit deadline repeatedly, which meant the coins bearing the wrong date became obsolete before they could enter circulation (GB News). The Royal Mint ordered all incorrect coins to be melted down.

Approximately one million Brexit 50p coins with an incorrect date were produced before destruction (GB News). Two surviving coins with the wrong date are known to exist and have not been destroyed (GB News).

Wrong date features

• Coins meant to commemorate abandoned exit dates
• March 29, 2019 variant: 1,000 trial coins plus approximately 1 million produced
• October 31, 2019 variant: hundreds of thousands minted before pause

Three dates anomaly

Chancellor Sajid Javid requested three million Brexit coins with the October 31, 2019 date to enter circulation, with seven million more to follow within a year (The Telegraph). The Royal Mint had already minted hundreds of thousands when Javid paused production after parliamentary wrangling made the October deadline unlikely.

The pattern: political uncertainty created three separate coin designs before a single one could circulate normally.

Is the Brexit 50p coin worth anything today?

For the vast majority of the 2020 minted standard coins, the answer is straightforward: face value, 50 pence. The Treasury confirmed that ‘some’ Brexit coins were made for test purposes, but the exact number produced is not publicly known (Chards). Most circulated coins are worth exactly what they say on the metal.

The error versions tell a different story. Two surviving pieces of rare Brexit coins managed to escape destruction and are now known to be worth a small fortune (GB News). The coins were designed to commemorate Britain’s departure from the European Union.

Standard vs rare values

• Standard 2020 Brexit 50p: face value (50p)
• Error variants with wrong dates: potentially £40,000 each
• Value depends entirely on what collectors are willing to pay (Chards)

Current market prices

Spink and Son is inviting collectors to send in their Brexit 50p coins to brexit50p@spink.com for evaluation (GB News). Error coins generate significant interest among collectors according to coin experts Change Checker, who noted that “error coins do cause a lot of interest with collectors” (The Telegraph).

The catch: the £40,000 figure is an expert estimate, not a realized sale price. Actual auction results may vary significantly.

What date is the rare Brexit 50p?

The standard Brexit 50p commemorates 31 January 2020, the official date the UK left the European Union. The error variants feature dates tied to abandoned exit deadlines: either 29 March 2019 or 31 October 2019.

Official Brexit date

• Standard coin date: 31 January 2020
• Coin designed to mark UK EU exit
• Released into normal circulation as legal tender

Error date mistakes

The incorrect date on the first batch of Brexit coins was October 31, 2019 (GB News). The original design featured 29 March 2019, which was the date the UK was due to trigger Article 50 (Chards). The original Brexit coin release was planned for March but was pushed back to October due to Brexit setbacks (Chards).

What this means: if you find a 2019-dated 50p, it is almost certainly not legal tender in the conventional sense—it would be a cancelled edition that escaped destruction.

What are the 10 rarest 50p coins?

The rarest 50p coins in UK circulation include several Olympic commemoratives, the Kew Gardens 50p, and increasingly, the Brexit error coins. The Kew Gardens 50p has a mintage of just 210,000, making it the most sought-after standard 50p in circulation. The Brexit error variants rank among the hardest to find not because of low mintage alone but because they were supposed to be destroyed entirely.

Brexit position in list

• Standard 2020 Brexit 50p: common in circulation
• Error variants (March 2019, October 2019): rarest of the Brexit series
• Only 2 known survivors of the destroyed batches

Other top rarities

The Kew Gardens 50p remains the unicorn of decimal coinage, with a mintage of 210,000. Olympic 50p coins from 2012 cover various sports, each with relatively low mintages compared to standard commemoratives. Royal Mint commemoratives for the 2012 London Olympics were produced in the millions for some designs but in much lower quantities for others.

The trade-off: Brexit error coins have higher theoretical value than Kew Gardens but far less market liquidity—fewer collectors have ever handled one, making price discovery difficult. For those following UK political developments, the When Will WASPI Get a Decision timeline shows how government decisions ripple through everyday objects.

Related reading: When Will WASPI Get a Decision · Glasgow to Edinburgh Train

Frequently asked questions