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Posted By: john

Fountain pen ink can be postively identified to its manufacturer. The only problem is that many of the fountain pen ink manufacturers were in business for 50+ years so all you get is a range. As for ball point ink pens, the major manufacturers slightly alter their formulas each year which "year tags" the ink. Ball point ink, post 1971 (when they began year tagging) can and is regularly identiied to a specific year in criminal and civil cases. Write your name three times in three diferent fountain pen inks and send it to Dr. Al lyter. He'll tell you exactly which ink each was signed in.