I did a bunch of research on it, before i bought it. I contacted the seller, their business has an excellent reputation in the UACC (Universal Autograph Collector's Club.) I learned that most faked signatures do not include personalization, as it adds to the difficulty of faking it. That's because you have to not only fake the signature, but signers handwriting. So I went and googled samples of Amy's handwriting, she has a very distinctive way of writing her lowercase "a", it's also present here in "Brian." She also would sometimes "dot" her "i's" with a circle, again present here. The capital "B" was matching many samples.
I also obtained the story behind the signature:
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Here are handwriting samples:
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