The signature inside the BOX is PROBABLY auto-pen or printed. You might want to carefully inspect the BOX signature to determine if it is PRINTED vs. AUTO-PEN vs. HAND-SIGNED.
It looks like a magic marker type pen like a sharpie but it could be a stamp that is put on by the publisher. Doesn’t matter to me. The inside of the book is definitely signed by him. I hope people look inside the box before they decide to toss it. I thought about keeping the box but I made a mess of it trying to get it open.