This is a 50 pence silver coin issued from the UK to commemorate the 25th anniversary of the publication. It has received the highest grade of NGC PF70. Is the station King's Cross, or perhaps Hogwarts? Harry Potter and his friends are walking alongside the Hogwarts Express, pushing a cart. A white owl flies above them, in a very elaborate design. The number 25 is depicted on the moon in front of the express.