On Thursday, 25 January 2018 14:44:16 UTC, ss wrote:
Problem is the initial document was typed (less signature) on a word
document then printed. So all 3 documents have been printed on a laser
printer / copier so all would show dots I assume.

But the original will show one set of dots, and the two copies will show original + copying dots, assuming the original dots copied. Even if the original dots didn't get copied, you will have a pair with matching dots and a different document, which is the original.

Owain