Who hasn't seen a 50p or £2 coin in their change and thought 'that looks a bit different'? The next time you do, it might be worth taking a closer look as this month one rare 50p coin has sold for 468 times its face value after being listed on eBay.
The coin in question was released in 2009 to mark 250 years since Kew Gardens opened in 1759 and the Royal Mint estimates around 210,000 were made, so there may still be plenty in circulation.
So, what do you need to look out for? The 50p coin features the Chinese Pagoda at the Royal Botanic Garden on the tails side with the Queen's head on the other side.