Discovering the Top 10 Valuable Error Coins

10. First World War Centenary Royal Navy 2

9. Undated 20p coin worth up to £60 copy 

8. coin with the Queens head upside down worth

7. coin with two dates worth up to £500

6. Silver 2p (1992 to 2018) worth up to £600

5. Bronze 20p worth up to £750

4. All zinc £2 coin worth up to £800

3. Silver 2p (1971 to 1992) worth up to £1,000 copy

2. 1983 New Pence 2p coin worth up to £1,250 

1. London 2012 Olympics Aquatics 50p first design worth up to £1,500