However, when the new Royal Shield 20p coins were struck for circulation, the old die was accidentally used, meaning a batch was issued with no date on either side of the coin." ...

There are two coins currently in circulation which could be worth far more than their face value. A coin collector has shared ...

A small number of 20ps were minted with a new obverse - the shield side paired with the old reverse Tudor rose but neither side has a date." 'Rare' 20p coins will feature the shield design on the ...

This problem affected less than 250,000 coins of the 136 million 20p pieces minted in 2008-09 and was due to the previous obverse (the 'heads' side) being used with the new reverse (the 'tails ...

An expert has called for a thorough check of wallets and coin collections for a seemingly ordinary 20 pence piece that could be worth as much as £80. At first glance, this coin might not catch ...

In November 2008, a small number of 20p pieces were put in circulation without ... The site says: 'The issue occurred because an old obverse ('heads') design was used with the new royal shield of arms ...