kew gardens 50p the royal mint rare 50p coin sells for 200 on ebay 50p rarer than kew gardens coin may be a rare 50p coin just sold for over 800 50p coin sells for 260 times its own rare fifty pence 50p coin largest rare kew gardens 50p coin sells for 284 coins rarer than a kew gardens 50p these 50p coins are worth far more than rare coins are fetching a pretty penny 2009 uk kew gardens coins coinnews the kew gardens 50p become so rare