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Description
50ml plastic bottle of Robert Oster Signature fountain pen ink in the color Motor Oil.
Robert Oster Signature Inks are handmade in Australia. The recyclable PET bottles are manufactured in Australia's first carbon neutral plastics plant. No...
Reviews
5.0
6 ratings
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I love the ink, but I somehow sent it to an old address.
I had 2 Motor Oil samples that I love. For some reason, this order was sent to an old address of mine, so I'll reorder when it comes back into stock.
T
Timothy · June 12, 2026
Oster, so good!
My first ink from Robert Oster. A slightly olive-y brown that writes very smoothly from my Pilot Decimo M on Clairefontaine paper. Subtle shading, perfect flow, no feathering, dries pretty quickly. Very, very pleased.
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Noel · November 25, 2023
Low profile ink
This ink doesn't call attention to it's self. It's a soothing ink that you can use without being splashy. It's introverted ink.
You could probably get away with using this in an office that requires black ink, but it isn't black. Not black, not grey, not brown, not green, definitely not blue... It just is what it is without any fanfare. I think I will use it for journaling.