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.

Filter + View Grid
List

Filter

Refine

view all

Availability

Brands

clear

Ink Type

Colour

clear

Product Type

clear
Robert Oster Caffe Crema - 50ml Bottled Ink
Robert Oster
Caffe Crema - 2ml
-
$1.70
X
Robert Oster Caffe Crema - 50ml Bottled Ink

Caffe Crema - 2ml

$1.70

Robert Oster

More Details →
Gold Antiqua - 2ml ink sample showing a warm brown swatch with darker saturation and a watermark, representing Robert Oster's dye-based ink.
Robert Oster
Gold Antiqua - 2ml
-
$1.70
X
Gold Antiqua - 2ml ink sample showing a warm brown swatch with darker saturation and a watermark, representing Robert Oster's dye-based ink.

Gold Antiqua - 2ml

$1.70

Robert Oster

More Details →
Toffee - 2ml: An ink swatch displays an orange-brown wash with darker borders, representing Robert Oster's dye-based ink sample on white paper.
Robert Oster
Toffee - 2ml
-
$1.70
X
Toffee - 2ml: An ink swatch displays an orange-brown wash with darker borders, representing Robert Oster's dye-based ink sample on white paper.

Toffee - 2ml

$1.70

Robert Oster

More Details →
Ink swatch of Robert Oster's Motor Oil - 2ml, showing a dark brown, almost black, fountain pen ink with THE DESK BANDIT printed below.
Robert Oster
Motor Oil - 2ml
-
$1.70
X
Ink swatch of Robert Oster's Motor Oil - 2ml, showing a dark brown, almost black, fountain pen ink with THE DESK BANDIT printed below.

Motor Oil - 2ml

$1.70

Robert Oster

More Details →
Grun Gilt (Shake 'N' Shimmy) - 2ml ink sample, featuring shimmery, textured metallic gold swatch, perfect for testing fountain pen ink color and flow.
Robert Oster
Grun Gilt (Shake 'N' Shimmy) - 2ml
-
$2.00
X
Grun Gilt (Shake 'N' Shimmy) - 2ml ink sample, featuring shimmery, textured metallic gold swatch, perfect for testing fountain pen ink color and flow.
/ 1 / 2

Grun Gilt (Shake 'N' Shimmy) - 2ml

$2.00

Robert Oster

More Details →
Smokescreen - 2ml ink sample by Robert Oster, featuring a deep reddish-purple hue with black mottling, displayed as a liquid pigment swatch on white paper.
Robert Oster
Smokescreen - 2ml
-
$1.70
X
Smokescreen - 2ml ink sample by Robert Oster, featuring a deep reddish-purple hue with black mottling, displayed as a liquid pigment swatch on white paper.
/ 1 / 2

Smokescreen - 2ml

$1.70

Robert Oster

More Details →
Robert Oster Aussie Brown - 2ml Ink Samples
Robert Oster
Aussie Brown - 2ml
-
$1.70
X
Robert Oster Aussie Brown - 2ml Ink Samples

Aussie Brown - 2ml

$1.70

Robert Oster

More Details →
Maroon 1789 - 2ml ink sample by Robert Oster, showcasing a rich burgundy tone with darker pigment pools, labeled THE DESK BANDIT watermark.
Robert Oster
Maroon 1789 - 2ml
-
$1.70
X
Maroon 1789 - 2ml ink sample by Robert Oster, showcasing a rich burgundy tone with darker pigment pools, labeled THE DESK BANDIT watermark.

Maroon 1789 - 2ml

$1.70

Robert Oster

More Details →
Earth - 2ml
Robert Oster
Earth - 2ml
-
$1.70
X
Earth - 2ml
/ 1 / 2

Earth - 2ml

$1.70

Robert Oster

More Details →
Bronze - 2ml ink sample: An abstract vertical blot in deep brown/near-black with subtle tonal variations, featuring The Desk Bandit watermark, representing Robert Oster's dye-based ink.
Robert Oster
Bronze - 2ml
-
$1.70
X
Bronze - 2ml ink sample: An abstract vertical blot in deep brown/near-black with subtle tonal variations, featuring The Desk Bandit watermark, representing Robert Oster's dye-based ink.

Bronze - 2ml

$1.70

Robert Oster

More Details →
Australis Oak (2ml) - The Desk Bandit
Robert Oster
Australis Oak - 2ml
-
$1.70
X
Australis Oak (2ml) - The Desk Bandit
/ 1 / 2

Australis Oak - 2ml

$1.70

Robert Oster

More Details →
Close-up of a dark brown ink swatch labeled The Desk Bandit, showcasing the Robert Oster Golden Brown - 2ml fountain pen ink sample on white paper.
Robert Oster
Golden Brown - 2ml
-
$1.70
X
Close-up of a dark brown ink swatch labeled The Desk Bandit, showcasing the Robert Oster Golden Brown - 2ml fountain pen ink sample on white paper.

Golden Brown - 2ml

$1.70

Robert Oster

More Details →
Choc Pudding (2ml) - The Desk Bandit
Robert Oster
Choc Pudding - 2ml
-
$1.70
X
Choc Pudding (2ml) - The Desk Bandit
/ 1 / 2

Choc Pudding - 2ml

$1.70

Robert Oster

More Details →
Robert Oster Terra Australis (Shake 'N' Shimmy) - 2ml Ink Sample
Robert Oster
Terra Australis (Shake 'N' Shimmy) - 2ml
-
$2.00
X
Robert Oster Terra Australis (Shake 'N' Shimmy) - 2ml Ink Sample
/ 1 / 2

Terra Australis (Shake 'N' Shimmy) - 2ml

$2.00

Robert Oster

More Details →
Whiskey - 2ml
Robert Oster
Whiskey - 2ml
-
$1.70
X
Whiskey - 2ml
/ 1 / 2

Whiskey - 2ml

$1.70

Robert Oster

More Details →
Marrone Mustard - 2ml ink sample, dark brown blot on white, featuring The Desk Bandit watermark, representing Robert Oster's dye-based ink.
Robert Oster
Marrone Mustard - 2ml
-
$1.70
X
Marrone Mustard - 2ml ink sample, dark brown blot on white, featuring The Desk Bandit watermark, representing Robert Oster's dye-based ink.

Marrone Mustard - 2ml

$1.70

Robert Oster

More Details →
Muddy Sand - 2ml
Robert Oster
Muddy Sand - 2ml
-
$1.70
X
Muddy Sand - 2ml
/ 1 / 2

Muddy Sand - 2ml

$1.70

Robert Oster

More Details →
Dark Chocolate (2ml) - The Desk Bandit
Robert Oster
Dark Chocolate - 2ml
-
$1.70
X
Dark Chocolate (2ml) - The Desk Bandit
/ 1 / 2

Dark Chocolate - 2ml

$1.70

Robert Oster

More Details →
Sepia Nights - 2ml
Robert Oster
Sepia Nights - 2ml
-
$1.70
X
Sepia Nights - 2ml
/ 1 / 2

Sepia Nights - 2ml

$1.70

Robert Oster

More Details →
Muddy Bucket - 2ml
Robert Oster
Muddy Bucket - 2ml
-
$1.70
X
Muddy Bucket - 2ml
/ 1 / 2

Muddy Bucket - 2ml

$1.70

Robert Oster

More Details →
Kansas City - 2ml
Robert Oster
Kansas City - 2ml
-
$1.70
X
Kansas City - 2ml
/ 1 / 2

Kansas City - 2ml

$1.70

Robert Oster

More Details →
Burned Orange - 2ml ink swatch, showcasing a watercolor wash with a rich, rusty-orange hue, embodying Robert Oster's unique Australian palette inspiration. Sold Out
Robert Oster
Burned Orange - 2ml
-
$1.70
X
Burned Orange - 2ml ink swatch, showcasing a watercolor wash with a rich, rusty-orange hue, embodying Robert Oster's unique Australian palette inspiration.
/ 1 / 2
Sold Out

Burned Orange - 2ml

$1.70

Robert Oster

This product is sold out

More Details →
Chocolate - 2ml ink sample by Robert Oster, depicted as a stylized dark burgundy-red ink blot with The Desk Bandit logo on a white background. Sold Out
Robert Oster
Chocolate - 2ml
-
$1.70
X
Chocolate - 2ml ink sample by Robert Oster, depicted as a stylized dark burgundy-red ink blot with The Desk Bandit logo on a white background.
Sold Out

Chocolate - 2ml

$1.70

Robert Oster

This product is sold out

More Details →