Rare 20p coins – The 20p Coins worth a small fortune

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Following a very popular post I wrote on rare coins in the UK and 50p coins worth much more than 50p, this rare 20p coins specific post looks at just that, rare 20p coins!

Rare 20p coins

Since the 20p coin was first introduced in 1982, it’s barely changed at all. Most people don’t think of 20p coins as being rare and the design has stayed almost identical to the first coins minted.

But…there are a number of 20p coins that are worth a small fortune. They’re in circulation and unless you know what you’re looking for, you’ll have no idea you’ve got one.

So, do you have one in your purse?

Rare 20p coins list

  • The bronze 20p – minted in 1987 & worth up to £700
  • The undated 20p coin – minted in 2008 & worth up to £200
  • Isle of Man 20p – The Manx International Rally worth around £5
  • Gibraltar 20p – Worth about £3 at online auction.
  • Guernsey 20p coin – This Channel Island coins is worth £2.50

The bronze 20p

The bronze 20p, on first glance , looks a little like it’s simply a dirty 20p, but what it is, is a 20p that was accidentally minted onto a penny blank, and an unknown amount of bronze 20p’s were put into circulation.

The only one in recent times that someone found and has been verified, was a 1987 dated 20p. It sold at auction for slightly over £700.

The bronze 20p

Undated 20p coin

In 2009, the Royal Mint accidentally issued 200,000 20p coins all minted without a date, making them the first coins minted in over 300m years without a date.

If you find one of these coins hang onto it, they’re worth about £225 each.

Undated 20p coin

Isle of Man 20p

The Manx International Rally has ben running since 1979 and is an annual race racing competition. This 20p coin was issued between 1997-1999 and features rally cars Subaru Impreza & Ford Cosworth.

Find one of these and they’r worth around £5. Not bad for a 20p!

Isle of Man 20p

Gibraltar 20p

This 20p coin from Gibraltar featuring The Keys of Gibraltar is collectable in part due to it’s low mintage.

Although not legal tender in the UK, this 20p does have the Queen on it’s head!

Worth about £3 at online auction.

Gibraltar 20p

Guernsey 20p

Guernsey started issuing 20p coins in 1987.

Guernsey started issuing their own designs on coins on 1982, and those designs are still minted to this day.

This Channel Islands 20p is currently worth about £2.50 online.

Guernsey 20p

How to clean old silver coins

Ok so these rare 20p coins are not really old, but they can still get super dirty and as the bronze 20p shows in the picture above, it can be hard to see exactly what you’ve got when the coins are really grubby!

The general rules are that you only clean coins yourself if they’re currently in circulation. Never clean a very old coin, and definitely never use an acid based cleaner or metal polish to clean your coins.

The best way to clean circulating 20p coins is with some warm water, washing up liquid and nothing else. You could use a babies toothbrush (or a very soft bristled brush) to gently work the cleaner into the coin, and then leave to air dry.

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How much is a 20p coin with no date worth?

The undated 20p coin is worth about £200.

What is the rarest 20p coin?

The rarest 20p coin is the bronze 20p, accidentally struck onto a penny blank at The Royal Mint.

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