The original watercolour painting that was also the cover for the first edition of Harry Potter and the Philosopher’s Stone has been sold at...

It was in the debut edition of J.K. Rowling's 1997 novel. The original watercolor illustration for the cover of "Harry Potter and The Philosopher's...

The original watercolor illustration for the cover of Harry Potter and The Philosopher’s Stone, the first book in author J.K. Rowling’s famous...

An original watercolour illustration has become the most valuable Harry Potter item ever sold – fetching $1.9m (£1.5m) at auction in the US. The...

Watercolour drawing for first book’s cover becomes most expensive item from the series ever sold at auction

A rare first edition Harry Potter book that features a spelling error of 'Philosopher's' on its lower cover has sold for more than $A86,000 at...

The illustration for the first book sold for over NZ$3.1m at auction, more than three times the expected price.

The illustration for the first book sold for over NZ$3.1m at auction, more than three times the expected price.

The watercolor was painted in 1996 by a recent art school graduate from Britain who was working at a bookstore. He was paid $650.

The book, which is one of just 500, features a spelling mistake on its lower cover and has ‘1 wand’ listed twice on page 53.