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Could two similar signatures be copies of the same image? What does a scan leave out? Start with a question, explore an example and see how far the evidence takes you.

Research and articles (2)

Research and articles

How accurate are expert handwriting comparisons?

In a 2022 study by Hicklin and colleagues, 86 document examiners compared handwriting from writers known to the researchers. Examiners could qualify a conclusion or leave the question unresolved.

Research and articles

The same signature on two documents: what actually matches?

A shared source can sometimes be investigated even when authorship and permission remain unknown.