Archival quality ink – chemically stable, waterproof, and fade resistant
No smears, feathers, or bleed-through on most papers
Writes on both light and dark papers as well as glossy and matte surfaces.
LEFTY TEST: C
The "Lefty Test" is a grueling process of writing with a particular instrument and then immediately attempting to smudge it. Lefty Tests are conducted on pages from the Shorthand Standard Notebook. Other paper qualities may yield varying smudge results. Grading scale: A+ NO smudge B A slight smudge; maybe needs a second more to dry C Significant smudge F Hard fail