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 Harry Potter Prisoner of Azkaban 2019 Explore all Wizarding World pictures →