Rare 2p coin sells for eye-watering £400 thanks to unique ‘tint’ on its metal… and YOU could have one in your change

A RARE silver 2p coin is expected to fetch 20,000 times its face value at auction after being found in a piggy bank. 

The 1985 coin was cast in the wrong metal, stealing the signature silver sheen traditionally associated with five or ten pence coins. 

Credit: RWB Auctions via Pen NewsThe silver fox of a penny may be lurking in your piggy bank[/caption]

After being found at a piggy bank in the late 1990s, the lucky find was expected to sell for up to £400.

It went...