Sotheby's June 26 auction of Thomas Taylor's watercolor illustration for Harry Potter and the Philosopher's Stone is estimated to sell for $400,000-$600,000.
Each season will be based on one book in the beloved series by controversial author J.K. Rowling, and the cast will be different from the films. Some fans are unhappy about Rowling's involvement.
In The Ink Black Heart, a popular cartoonist is harassed and killed after her work is criticized as transphobic. Observers say the plot mirrors Rowling's experience, though she calls it a coincidence.
Daniel Radcliffe, Emma Watson and Rupert Grint will appear in an HBO Max special next year celebrating the film franchise. Rowling will be featured in archival footage, but will not join in person.
