All three items feature an allover Marauder’s Map print and a pastel watercolor background – though the colors on the cardigan and bag appear to be more vibrant (see below).

Sotheby’s will auction an original Harry Potter watercolor alongside works by literary greats like Charles Dickens, F. Scott Fitzgerald, and Edgar Allan Poe.

A watercolor illustration by Thomas Taylor, who was a 23-year-old bookseller when he first painted the work, sold for $1.9 million to become the most valuable Harry Potter item ever sold at auction.

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.

Harry Potter fans all have favorite characters, but they all can also agree that one of the unluckiest students never caught a break from day one.

The watercolor illustration of fictional young wizard Harry Potter in front of the Hogwarts Express train sold for $1.9 million on June 26.

Sotheby's via CNN Newsource The watercolor illustration of fictional young wizard Harry Potter in front of the Hogwarts Express train is expected to sell for up to $600,000 on June 26.

One Harry Potter lover shared a fun fact with fellow fans, writing: "In Harry Potter and the Philosopher's (Sorcerer's) Stone, Aunt Petunia is visible in the background of this scene dyeing Dudley ...

British actor Tom Felton, best known for playing Draco Malfoy in the “Harry Potter” film franchise, will reprise his role as the arrogant antagonist – this time, on stage.

Expected to sell for up to $600,000 at auction next month, it is the highest presale value ever placed on a Harry Potter-related item, according to auction house Sotheby’s. The watercolor cover ...