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I think the problem is that a notary might have trouble being convinced that your fountain pen ink is what you say it is.



Probably yes. For these stuff I always carry a Uniball elite with blue-black ink (I'm a blue-black guy), and for other documents -like office and other stuff- I use the reactive ink.

Uniball's super ink is ridiculously tamper-proof, contrary to its cheesy name.




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