Is my copy od Harry Potter and the Deathly Hallows Deluxe Edition is worth nothing? How is it rare?

I got a copy of Harry Potter and the Deathly Hallows Deluxe Edition and JK Rowlings has signed on top of the cardboard box slides' s book. Is this normal or is it rare? What is it worth? Any help would be greatly appreiciated. In fact, I bought it from Amazon 80% off sale. I tried to look up, but all I can finding is that only a small number of books have been tagged to his name and that she indicated on the.

Is it a facsimile of his signature or reality? If this is not the real thing, this is not worth any more than you paid for it, and probably less than that.

HARRY POTTER RARE AND UNSEEN EXTENDED TRALER

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