J.HERBIN Inchiostro Authentique - Lawyers' Ink

J. Herbin 1670 Authentic Ink (“Encre Authentique”)

Also known as “Lawyers’ Ink.”
This intense black ink was used by French notaries to write official acts.
It contains Campeche wood tannin for exceptional preservation.
Lettering done with this ink is said to be legible for 300 years.
Quantity: 30 ml.

Given its particular formulation, its use on fountain pens is not recommended.