An art collector approaches a historian about a small statue. The collector claims to have purchased the statue from a man who said it was one of the earliest depictions of the Babylonian king Hammurabi. The collector wants to know whether this claim is true. Which of the following pieces of evidence would help the historian determine whether the statue is authentic?
a. Determining if the person who sold the statue was an expert on ancient Babylon
b. Determining the date of its creation to see if it aligns with Hammurabi's life