Robert Oster

Robert Oster Charcoal Ink Sample (3ml Vial)

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( 1 Review )

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A 3ml sample of Robert Oster Signature Charcoal fountain pen ink, labeled with the name of the ink brand and color, in a plastic ink sample vial with a dip at the bottom to allow you to easily get every drop. Robert Oster Signature Charcoal fountain pen ink is a softer shade of black.

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Volume - 3ml Vial Material - Plastic Color Group - Black

1 Review

Howard Sambol May 25th 2018

Good color but has Ink Flow Issue

I like the color of this ink but found that in most pens, it seems to have a flow issue. It gets dry or is intermittent between wet and dry. I'm still doing some experimenting so may find the best pen/nib for it.

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