It's time to dig through your spare change as one rare 50p coin has just sold for ￡139, a staggering 250 times its face value, in an eBay auction. The sought-after coin was released in 2009 to commemorate the 250th anniversary of Kew Gardens, featuring an intricate design of the Chinese Pagoda at the Royal Botanic Gardens on one side and a portrait of Queen Elizabeth II on the other. With only 210, 000 copies minted, this special edition 50p remains one of the rarest in the UK, making it highly