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

Viola - 2ml ink sample by Robert Oster, featuring a free-form swatch blending deep plum to lavender tones on a white background, with The Desk Bandit logo.
Robert Oster
Viola - 2ml
-
$1.70
X
Viola - 2ml ink sample by Robert Oster, featuring a free-form swatch blending deep plum to lavender tones on a white background, with The Desk Bandit logo.

Viola - 2ml

$1.70

Robert Oster

More Details →
The Great Owl (DB Exclusive) - 50ml
Robert Oster
The Great Owl (DB Exclusive) - 50ml
-
$23.00
X
The Great Owl (DB Exclusive) - 50ml
/ 1 / 2 / 3

The Great Owl (DB Exclusive) - 50ml

$23.00

Robert Oster

More Details →
Sydney Lavender - 2ml ink sample features a dark purple-black abstract wash with soft, uneven edges, showcasing Robert Oster's dye-based ink on white paper.
Robert Oster
Sydney Lavender - 2ml
-
$1.70
X
Sydney Lavender - 2ml ink sample features a dark purple-black abstract wash with soft, uneven edges, showcasing Robert Oster's dye-based ink on white paper.
/ 1 / 2

Sydney Lavender - 2ml

$1.70

Robert Oster

More Details →
Robert Oster Velvet Crush - 2ml Ink Sample
Robert Oster
Velvet Crush - 2ml
-
$1.70
X
Robert Oster Velvet Crush - 2ml Ink Sample
/ 1 / 2

Velvet Crush - 2ml

$1.70

Robert Oster

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

Rose Gilt Tynte (Shake 'N' Shimmy) - 2ml

$2.00

Robert Oster

More Details →
The Great Owl (DB Exclusive) - 2ml
Robert Oster
The Great Owl (DB Exclusive) - 2ml
-
$1.70
X
The Great Owl (DB Exclusive) - 2ml
/ 1 / 2 / 3

The Great Owl (DB Exclusive) - 2ml

$1.70

Robert Oster

More Details →
Cosmic Swirl - 2ml fountain pen ink sample, featuring a deep purple, irregular blot on a white background, showcasing its vibrant, feathered tones.
Robert Oster
Cosmic Swirl - 2ml
-
$1.70
X
Cosmic Swirl - 2ml fountain pen ink sample, featuring a deep purple, irregular blot on a white background, showcasing its vibrant, feathered tones.
/ 1 / 2

Cosmic Swirl - 2ml

$1.70

Robert Oster

More Details →
Australian Syrah - 2ml ink sample, showing a burgundy-red hue with darker center shading on white paper, featuring The Desk Bandit watermark at the bottom.
Robert Oster
Australian Syrah - 2ml
-
$1.70
X
Australian Syrah - 2ml ink sample, showing a burgundy-red hue with darker center shading on white paper, featuring The Desk Bandit watermark at the bottom.

Australian Syrah - 2ml

$1.70

Robert Oster

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

Schwarz Rose (Shake 'N' Shimmy) - 2ml

$2.00

Robert Oster

More Details →
Robert Oster Violet Dreams (Shake 'N' Shimmy) - 2ml ink sample, featuring a rich purple hue with blue-violet edges and a shimmering metallic gold effect.
Robert Oster
Violet Dreams (Shake 'N' Shimmy) - 2ml
-
$2.00
X
Robert Oster Violet Dreams (Shake 'N' Shimmy) - 2ml ink sample, featuring a rich purple hue with blue-violet edges and a shimmering metallic gold effect.
/ 1 / 2

Violet Dreams (Shake 'N' Shimmy) - 2ml

$2.00

Robert Oster

More Details →
Rose Gold Antiqua - Shake 'N' Shimmy (2ml) - The Desk Bandit
Robert Oster
Rose Gold Antiqua (Shake 'N' Shimmy) - 2ml
-
$2.00
X
Rose Gold Antiqua - Shake 'N' Shimmy (2ml) - The Desk Bandit
/ 1 / 2

Rose Gold Antiqua (Shake 'N' Shimmy) - 2ml

$2.00

Robert Oster

More Details →
Robert Oster Barossa Grape - 2ml ink sample featuring a richly shaded purple/black blot on white background, showcasing its dye-based texture. Watermarked The Desk Bandit.
Robert Oster
Barossa Grape - 2ml
-
$1.70
X
Robert Oster Barossa Grape - 2ml ink sample featuring a richly shaded purple/black blot on white background, showcasing its dye-based texture. Watermarked The Desk Bandit.

Barossa Grape - 2ml

$1.70

Robert Oster

More Details →
Claret - 2ml: A deep purple-black fountain pen ink sample with red/purple sheen, displayed on white paper, featuring the Desk Bandit watermark.
Robert Oster
Claret - 2ml
-
$1.70
X
Claret - 2ml: A deep purple-black fountain pen ink sample with red/purple sheen, displayed on white paper, featuring the Desk Bandit watermark.

Claret - 2ml

$1.70

Robert Oster

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

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

$2.00

Robert Oster

More Details →
Robert Oster Signature Ink bottle labeled Viola - 50ml, featuring a pinkish-purple swatch, inspired by South Australia's wine regions.
Robert Oster
Viola - 50ml
-
$23.00
X
Robert Oster Signature Ink bottle labeled Viola - 50ml, featuring a pinkish-purple swatch, inspired by South Australia's wine regions.
/ 1 / 2

Viola - 50ml

$23.00

Robert Oster

More Details →
2ml sample of Robert Oster's Black Violet ink, shown as a deep purple swatch with painterly edges on white, featuring “THE DESK BANDIT” logo below.
Robert Oster
Black Violet - 2ml
-
$1.70
X
2ml sample of Robert Oster's Black Violet ink, shown as a deep purple swatch with painterly edges on white, featuring “THE DESK BANDIT” logo below.

Black Violet - 2ml

$1.70

Robert Oster

More Details →
Sydney Lavender - 50ml: Robert Oster Signature fountain pen ink bottle with a shimmering blue-black ink swatch, inspired by South Australia's unique palette.
Robert Oster
Sydney Lavender - 50ml
-
$23.00
X
Sydney Lavender - 50ml: Robert Oster Signature fountain pen ink bottle with a shimmering blue-black ink swatch, inspired by South Australia's unique palette.
/ 1 / 2

Sydney Lavender - 50ml

$23.00

Robert Oster

More Details →
Burgundy Chocolate Notes - 2ml
Robert Oster
Burgundy Chocolate Notes - 2ml
-
$1.70
X
Burgundy Chocolate Notes - 2ml
/ 1 / 2

Burgundy Chocolate Notes - 2ml

$1.70

Robert Oster

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

Violet Clouds (Shake 'N' Shimmy) - 2ml

$2.00

Robert Oster

More Details →
Oval-shaped deep purple ink swatch on white, branded THE DESK BANDIT, representing Robert Oster's Purple Rock - 2ml dye-based ink sample.
Robert Oster
Purple Rock - 2ml
-
$1.70
X
Oval-shaped deep purple ink swatch on white, branded THE DESK BANDIT, representing Robert Oster's Purple Rock - 2ml dye-based ink sample.

Purple Rock - 2ml

$1.70

Robert Oster

More Details →
Ink swatch of Purple Jazz - 2ml by Robert Oster, featuring a deep blue-purple hue on white, with The Desk Bandit watermark visible.
Robert Oster
Purple Jazz - 2ml
-
$1.70
X
Ink swatch of Purple Jazz - 2ml by Robert Oster, featuring a deep blue-purple hue on white, with The Desk Bandit watermark visible.

Purple Jazz - 2ml

$1.70

Robert Oster

More Details →
Sterling Silver (Shake 'N' Shimmy) - 2ml ink sample with near-black hue, metallic shimmer, and brushed texture, ideal for testing color and flow.
Robert Oster
Sterling Silver (Shake 'N' Shimmy) - 2ml
-
$2.00
X
Sterling Silver (Shake 'N' Shimmy) - 2ml ink sample with near-black hue, metallic shimmer, and brushed texture, ideal for testing color and flow.
/ 1 / 2

Sterling Silver (Shake 'N' Shimmy) - 2ml

$2.00

Robert Oster

More Details →
Deep Purple - 2ml ink sample, showing a dark blue-violet swatch with a goldish-brown sheen, reflecting Robert Oster's unique Australian-inspired palette.
Robert Oster
Deep Purple - 2ml
-
$1.70
X
Deep Purple - 2ml ink sample, showing a dark blue-violet swatch with a goldish-brown sheen, reflecting Robert Oster's unique Australian-inspired palette.
/ 1 / 2

Deep Purple - 2ml

$1.70

Robert Oster

More Details →
Robert Oster Signature Ink Velvet Crush (50ml) in a black vial with a gold label, showcasing rich purple ink with a gold-bronze sheen.
Robert Oster
Velvet Crush (50ml)
-
$23.00
X
Robert Oster Signature Ink Velvet Crush (50ml) in a black vial with a gold label, showcasing rich purple ink with a gold-bronze sheen.
/ 1 / 2

Velvet Crush (50ml)

$23.00

Robert Oster

More Details →
Robert Oster Cherry Blossom - 50ml fountain pen ink in a sleek black bottle, featuring a gold-foil label and a circular swatch of dusty magenta/purple shade.
Robert Oster
Cherry Blossom - 50ml
-
$23.00
X
Robert Oster Cherry Blossom - 50ml fountain pen ink in a sleek black bottle, featuring a gold-foil label and a circular swatch of dusty magenta/purple shade.

Cherry Blossom - 50ml

$23.00

Robert Oster

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

Mystic Storm - 2ml

$1.70

Robert Oster

More Details →
Las Vegas (Shake 'N' Shimmy) - 2ml
Robert Oster
Las Vegas (Shake 'N' Shimmy) - 2ml
-
$2.00
X
Las Vegas (Shake 'N' Shimmy) - 2ml
/ 1 / 2

Las Vegas (Shake 'N' Shimmy) - 2ml

$2.00

Robert Oster

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

Muddy Crown - 2ml

$1.70

Robert Oster

More Details →
The Grinch (Shake 'N' Shimmy) - 2ml
Robert Oster
The Grinch (Shake 'N' Shimmy) - 2ml
-
$2.00
X
The Grinch (Shake 'N' Shimmy) - 2ml
/ 1 / 2

The Grinch (Shake 'N' Shimmy) - 2ml

$2.00

Robert Oster

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

Napa - 2ml

$1.70

Robert Oster

More Details →
Robert Oster Signature ink bottle labeled Signature with a swatch of deep purple color, 50ml size, inspired by South Australia's palette.
Robert Oster
Deep Purple - 50ml
-
$23.00
X
Robert Oster Signature ink bottle labeled Signature with a swatch of deep purple color, 50ml size, inspired by South Australia's palette.
/ 1 / 2

Deep Purple - 50ml

$23.00

Robert Oster

More Details →
Bottle of Robert Oster Signature Ink, Black Violet - 50ml, featuring a dark violet/blue hue inset, inspired by South Australia's wine regions.
Robert Oster
Black Violet - 50ml
-
$23.00
X
Bottle of Robert Oster Signature Ink, Black Violet - 50ml, featuring a dark violet/blue hue inset, inspired by South Australia's wine regions.
/ 1 / 2

Black Violet - 50ml

$23.00

Robert Oster

More Details →
Barossa Grape - 50ml Robert Oster Signature ink bottle with gold-foil label, showcasing its distinctive dark purple sheen in the upper right.
Robert Oster
Barossa Grape - 50ml
-
$23.00
X
Barossa Grape - 50ml Robert Oster Signature ink bottle with gold-foil label, showcasing its distinctive dark purple sheen in the upper right.

Barossa Grape - 50ml

$23.00

Robert Oster

More Details →
new Sinner's Heart - 2ml
Robert Oster
Sinner's Heart - 2ml
-
$1.70
X
Sinner's Heart - 2ml
/ 1 / 2

Sinner's Heart - 2ml

$1.70

Robert Oster

More Details →
Rose Gold Antiqua - Shake 'N' Shimmy (50ml) - The Desk Bandit
Robert Oster
Rose Gold Antiqua (Shake 'N' Shimmy) - 50ml
-
$31.00
X
Rose Gold Antiqua - Shake 'N' Shimmy (50ml) - The Desk Bandit
/ 1 / 2

Rose Gold Antiqua (Shake 'N' Shimmy) - 50ml

$31.00

Robert Oster

More Details →
Robert Oster Signature Ink - Rose Gilt Tynte (Shake 'N' Shimmy), 50ml bottle with a circular swatch showing its shimmery metallic purple-pink shade.
Robert Oster
Rose Gilt Tynte (Shake 'N' Shimmy) - 50ml
-
$31.00
X
Robert Oster Signature Ink - Rose Gilt Tynte (Shake 'N' Shimmy), 50ml bottle with a circular swatch showing its shimmery metallic purple-pink shade.
/ 1 / 2

Rose Gilt Tynte (Shake 'N' Shimmy) - 50ml

$31.00

Robert Oster

More Details →
Burgundy Chocolate Notes - 50ml
Robert Oster
Burgundy Chocolate Notes - 50ml
-
$23.00
X
Burgundy Chocolate Notes - 50ml
/ 1 / 2

Burgundy Chocolate Notes - 50ml

$23.00

Robert Oster

More Details →
Robert Oster Barossa Gilt (Shake 'N' Shimmy) - 50ml Bottled Ink
Robert Oster
Barossa Gilt (Shake 'N' Shimmy) - 50ml
-
$31.00
X
Robert Oster Barossa Gilt (Shake 'N' Shimmy) - 50ml Bottled Ink
/ 1 / 2

Barossa Gilt (Shake 'N' Shimmy) - 50ml

$31.00

Robert Oster

More Details →
Robert Oster Cosmic Swirl - 50ml Bottled Ink Sold Out
Robert Oster
Cosmic Swirl - 50ml
-
$23.00
X
Robert Oster Cosmic Swirl - 50ml Bottled Ink
/ 1 / 2
Sold Out

Cosmic Swirl - 50ml

$23.00

Robert Oster

This product is sold out

More Details →
Robert Oster Sterling Silver (Shake 'N' Shimmy) - 50ml Bottled Ink Sold Out
Robert Oster
Sterling Silver (Shake 'N' Shimmy) - 50ml
-
$31.00
X
Robert Oster Sterling Silver (Shake 'N' Shimmy) - 50ml Bottled Ink
/ 1 / 2
Sold Out

Sterling Silver (Shake 'N' Shimmy) - 50ml

$31.00

Robert Oster

This product is sold out

More Details →
View All