Pictures Bloomsbury to auction Patronus postcards to celebrate ‘Azkaban’ 20th anniversary Phoenix (Jonny Duddle Patronus on a Postcard) ← From Bloomsbury to auction Patronus postcards to celebrate ‘Azkaban’ 20th anniversary Patronus on a Postcard Jonny Duddle 2019 Harry Potter Prisoner of Azkaban Explore all Wizarding World pictures →