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Hello I recently acquired an autograph on white heavy stock paper. It is written in ink with a blue pen. The autograph has been laminated for almost 20 years. Looking at it the writing looks very dark and rich (not like a copy) in my opinion a copy of this quality would be questionable for early 90s. What can I do to try and verify if what I have is a copy or a wet signature/autograph? There is a couple areas on the ink where it appears the ink might have bled over time or due to the heat the coloration is a light pink. I could be wrong and this could be due to a printer. Any suggestions would be greatly appreciated thank you