International reference atlas
Examiners consider how a stroke travels, breaks and changes along its path. With a photograph the first question is which details the image actually retains.
Handwriting and graphology
Compare similar sections at the same scale. If all letters and even the border of a printed box have jagged edges, image capture or compression may account for the effect.
A darker patch in a scan may look like increased pen pressure. Record that the patch appears darker in this image. If pressure matters to the question, preserve the original for specialist examination.
Graphology associates handwriting with personality. Each proposed link needs an independent test of its predictive value.
Handwriting and graphologyA person may form one letter several ways even within one sentence. Comparison needs a range of examples rather than the nearest match.
Handwriting and graphologyA useful sample has a known writer and contains material comparable with the questioned passage.
Graphologist Israel