THRICE SIGNED: EMMA WATSON, DANIEL RADCLIFFE, RUPERT GRINT. Harry Potter and the Philosopher’s Stone. Octavo, original pictorial boards with matching pictorial dust jacket. Young Wizard at head of spine and rear panel. First Edition, Fourth Printing (Hardcover) of J. Rowling’s first novel, Harry Potter and the Philosophers Stone. AUTOGRAPHED on the dedication page: Emma Watson, …