Robert Oster

Explore our collection of Robert Oster Signature Inks – made in Australia and described as well-behaved fountain pen inks. Each ink is produced in a just-in-time manner to meet demand and is bottled in recyclable PET plastic. Robert Oster inks are non-toxic and eco-friendly, crafted with care for both writing performance and environmental impact.

Looking for the full range or more? Browse all bottled fountain pen inks or shop ink samples to try before you commit.

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Soda Pop Blue - 2ml sample by Robert Oster, features a deep blue ink swatch on white, with “The Desk Bandit” watermark visible.
Robert Oster
Soda Pop Blue - 2ml
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$1.70
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Soda Pop Blue - 2ml sample by Robert Oster, features a deep blue ink swatch on white, with “The Desk Bandit” watermark visible.

Soda Pop Blue - 2ml

$1.70

Robert Oster

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Clearwater Rain - 2ml ink, turquoise-blue swatch on white, showcasing Robert Oster's dye-based pigment in a smooth, abstract wash.
Robert Oster
Clearwater Rain - 2ml
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$1.70
X
Clearwater Rain - 2ml ink, turquoise-blue swatch on white, showcasing Robert Oster's dye-based pigment in a smooth, abstract wash.
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Clearwater Rain - 2ml

$1.70

Robert Oster

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Robert Oster Bishop to King - 2ml Ink Sample
Robert Oster
Bishop to King - 2ml
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$1.70
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Robert Oster Bishop to King - 2ml Ink Sample
/ 1 / 2

Bishop to King - 2ml

$1.70

Robert Oster

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Dragon's Night - 2ml ink sample showcases a deep blue abstract wash with uneven saturation and a darker outline, reflecting the unique Australian palette.
Robert Oster
Dragon's Night - 2ml
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$1.70
X
Dragon's Night - 2ml ink sample showcases a deep blue abstract wash with uneven saturation and a darker outline, reflecting the unique Australian palette.
/ 1 / 2

Dragon's Night - 2ml

$1.70

Robert Oster

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Robert Oster Taiwan Blue - 2ml Ink Sample
Robert Oster
Taiwan Blue - 2ml
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$1.70
X
Robert Oster Taiwan Blue - 2ml Ink Sample
/ 1 / 2

Taiwan Blue - 2ml

$1.70

Robert Oster

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True Blue - 2ml ink sample by Robert Oster, featuring a deep blue watercolor swatch with a cloud-like texture and reddish-purple edges, reflecting Australian inspiration.
Robert Oster
True Blue - 2ml
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$1.70
X
True Blue - 2ml ink sample by Robert Oster, featuring a deep blue watercolor swatch with a cloud-like texture and reddish-purple edges, reflecting Australian inspiration.
/ 1 / 2

True Blue - 2ml

$1.70

Robert Oster

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School Blue - 2ml ink sample by Robert Oster, featuring a deep blue abstract ink-blot with darker edges, showcased on a white background from The Desk Bandit.
Robert Oster
School Blue - 2ml
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$1.70
X
School Blue - 2ml ink sample by Robert Oster, featuring a deep blue abstract ink-blot with darker edges, showcased on a white background from The Desk Bandit.

School Blue - 2ml

$1.70

Robert Oster

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Blue watercolor swatch representing Robert Oster's Bass Straight ink sample, 2ml, on white background, showcasing its abstract wash style and dye-based composition.
Robert Oster
Bass Straight - 2ml
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$1.70
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Blue watercolor swatch representing Robert Oster's Bass Straight ink sample, 2ml, on white background, showcasing its abstract wash style and dye-based composition.
/ 1 / 2

Bass Straight - 2ml

$1.70

Robert Oster

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Carbon Fire - 2ml ink sample, showcasing a dark blue swatch with subtle shading and a reddish sheen, typical of Robert Oster's dye-based inks.
Robert Oster
Carbon Fire - 2ml
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$1.70
X
Carbon Fire - 2ml ink sample, showcasing a dark blue swatch with subtle shading and a reddish sheen, typical of Robert Oster's dye-based inks.
/ 1 / 2

Carbon Fire - 2ml

$1.70

Robert Oster

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Robert Oster Australian Opal Blue - 2ml Ink Sample
Robert Oster
Australian Opal Blue - 2ml
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$1.70
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Robert Oster Australian Opal Blue - 2ml Ink Sample
/ 1 / 2

Australian Opal Blue - 2ml

$1.70

Robert Oster

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Tokyo Blue Denim - 2ml ink sample, deep blue with reddish-brown sheen, on paper. Ideal for testing fountain pen ink color and flow.
Robert Oster
Tokyo Blue Denim - 2ml
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$1.70
X
Tokyo Blue Denim - 2ml ink sample, deep blue with reddish-brown sheen, on paper. Ideal for testing fountain pen ink color and flow.
/ 1 / 2

Tokyo Blue Denim - 2ml

$1.70

Robert Oster

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Robert Oster Flaming Blue - 2ml Ink Sample
Robert Oster
Flaming Blue - 2ml
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$1.70
X
Robert Oster Flaming Blue - 2ml Ink Sample
/ 1 / 2

Flaming Blue - 2ml

$1.70

Robert Oster

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Kids On The Block - 2ml
Robert Oster
Kids On The Block - 2ml
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$1.70
X
Kids On The Block - 2ml
/ 1 / 2

Kids On The Block - 2ml

$1.70

Robert Oster

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Grey Seas - 2ml ink sample showing a deep indigo wash with soft, irregular edges, highlighting its rich tone and hand-painted texture. Sold Out
Robert Oster
Grey Seas - 2ml
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$1.70
X
Grey Seas - 2ml ink sample showing a deep indigo wash with soft, irregular edges, highlighting its rich tone and hand-painted texture.
/ 1 / 2
Sold Out

Grey Seas - 2ml

$1.70

Robert Oster

This product is sold out

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