Rare 50p coin sells for more than 300 times its face value – here’s how to find out if you’re sitting on a goldmine

A RARE 50p coin sent collectors into a frenzy after it sold for 300 times its face value.

The Royal Mint is believed to have made 210,000 of these special coins, so there’s a chance you could have one in your wallet.

GettyThe 50p has Kew Garden’s famous Chinese Pagoda on the front[/caption]

The 50p was made in 2009 to commemorate the 250th anniversary of the opening of Kew Gardens in London.

It is decorated with the gardens’ famous Chinese Pagoda on one side, and the Queen’s face on the other.