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Robert Oster Signature Ink(50ml) Fountain Pen Ink

Robert Oster Signature Ink(50ml) Fountain Pen InkPreviousNext
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About the Robert Oster Signature Ink(50ml)

The Robert Oster Signature ink comes in a 50ml recyclable PET bottle in a wide selection of colors. The ink, as well as the packaging, are all environmentally friendly. Imported from Australia with colors from the country’s palette, the Robert Oster inks have become very popular among fountain pen users.

Product Specifications

Cartridge Type: Bottled Ink

Available Sizes & Colors
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - African Gold
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Aussie Brown
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Aussie Gold
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Australian Opal Mauve
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Australian Sky Blue
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Australian Syrah
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Avacado
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Barossa Grape
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Black Violet
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Blue Black
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Blue Denim
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Blue Lagoon
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Blue Night
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Blue Sea
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Blue Water Ice
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Bondi Blue
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Bronze
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Caffe Crema
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Carbon Fire
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Charcoal
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Cherry Blossom
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Chocolate
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Claret
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Copper
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Crimson
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Dark Chocolate
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Deep Sea
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Direct Sun
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Emerald
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Eucalyptus Leaf
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Evening Sapphire
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Ever Green
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Fire and Ice
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Fire Engine Red
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Forest Green
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Frankly Blue
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Frankly Scarlet
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Gold Antiqua
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Golden Brown
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Graphite
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Great Southern Ocean
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Green at Night
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Green Diamond
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Green Green
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Green Lime
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Green Olive
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Grun-Schwarz
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Jade
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Khaki
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Lake of Fire
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Lemon Grass
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Light Green
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Marine
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Maroon 1789
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Marrone Mustard
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Melon Tea
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Morning Mist
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Motor Oil
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Ng Special 16
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Orange
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Orange Rumble
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Orange Zest
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Peppermint
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Pinky
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Plumb Nut
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Purple Jazz
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Purple Rock
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Red Orange
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - River of Fire
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Royal Red
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Rubine
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Ryde Green
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - School Blue
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Smokescreen
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Soda Pop Blue
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Spearmint
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Sublime
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Summer Storm
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Sydney Lavender *
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Tangerine
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Thunderstorm
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Toffee
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Torquay
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Tranquility
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Turquoise
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Velvet Storm
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Verde de Rio
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Viola
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Yellow Sunrise
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Yellow Sunset
The Robert Oster Signature Ink(50ml) Fountain Pen Ink usually ships within 1 business day unless otherwise specified.


Guaranteed Quality
Each Robert Oster Signature Ink(50ml) Fountain Pen Ink we sell is guaranteed to be genuine, authentic and will arrive brand new & unused!
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Robert Oster Signature Ink(50ml) Color Chart

Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in African Gold
African Gold
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Aqua
Aqua
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Astorquiza-Rot
Astorquiza-Rot
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Aussie Brown
Aussie Brown
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Aussie Gold
Aussie Gold
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Australian Opal Mauve
Australian Opal Mauve
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Australian Sky Blue
Australian Sky Blue
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Australian Syrah
Australian Syrah
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Avacado
Avacado
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Barossa Grape
Barossa Grape
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Black Violet
Black Violet
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Blue Black
Blue Black
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Blue Denim
Blue Denim
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Blue Lagoon
Blue Lagoon
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Blue Night
Blue Night
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Blue Sea
Blue Sea
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Blue Water Ice
Blue Water Ice
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Bondi Blue
Bondi Blue
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Bronze
Bronze
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Burgundy
Burgundy
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Caffe Crema
Caffe Crema
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Carbon Fire
Carbon Fire
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Charcoal
Charcoal
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Cherry Blossom
Cherry Blossom
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Chocolate
Chocolate
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Claret
Claret
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Copper
Copper
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Crimson
Crimson
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Dark Chocolate
Dark Chocolate
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Deep Sea
Deep Sea
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Direct Sun
Direct Sun
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Emerald
Emerald
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Eucalyptus Leaf
Eucalyptus Leaf
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Evening Sapphire
Evening Sapphire
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Ever Green
Ever Green
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Fire and Ice
Fire and Ice
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Fire Engine Red
Fire Engine Red
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Forest Green
Forest Green
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Frankly Blue
Frankly Blue
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Frankly Scarlet
Frankly Scarlet
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Gold Antiqua
Gold Antiqua
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Golden Brown
Golden Brown
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Graphite
Graphite
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Great Southern Ocean
Great Southern Ocean
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Green at Night
Green at Night
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Green Diamond
Green Diamond
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Green Green
Green Green
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Green Lime
Green Lime
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Green Olive
Green Olive
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Grun-Schwarz
Grun-Schwarz
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Jade
Jade
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Khaki
Khaki
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Lake of Fire
Lake of Fire
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Lemon Grass
Lemon Grass
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Light Green
Light Green
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Marine
Marine
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Maroon 1789
Maroon 1789
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Marrone Mustard
Marrone Mustard
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Melon Tea
Melon Tea
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Midnight Sapphire
Midnight Sapphire
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Morning Mist
Morning Mist
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Moss
Moss
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Motor Oil
Motor Oil
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Ng Special 16
Ng Special 16
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Orange
Orange
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Orange Rumble
Orange Rumble
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Orange Zest
Orange Zest
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Peach
Peach
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Peppermint
Peppermint
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Pinky
Pinky
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Plumb Nut
Plumb Nut
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Purple Jazz
Purple Jazz
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Purple Rock
Purple Rock
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Red Orange
Red Orange
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in River of Fire
River of Fire
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Royal Red
Royal Red
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Rubine
Rubine
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Ryde Green
Ryde Green
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in School Blue
School Blue
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Smokescreen
Smokescreen
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Soda Pop Blue
Soda Pop Blue
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Spearmint
Spearmint
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Sublime
Sublime
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Summer Storm
Summer Storm
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Sydney Lavender
Sydney Lavender
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Tangerine
Tangerine
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Thunderstorm
Thunderstorm
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Toffee
Toffee
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Torquay
Torquay
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Tranquility
Tranquility
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Turquoise
Turquoise
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Velvet Storm
Velvet Storm
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Verde de Rio
Verde de Rio
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Viola
Viola
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Yellow Sunrise
Yellow Sunrise
Robert Oster Signature Ink(50ml) Fountain Pen Ink color swatch in Yellow Sunset
Yellow Sunset

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Robert Oster Signature Ink(50ml) Reviews

quality:
quality rating 5 out of 5
function:
function rating 5 out of 5
style:
style rating 5 out of 5
value:
value value 5 out of 5
Overall rating:
4.8
out of 5
(18 reviews)

 
I have 4 different bottles of this brand of ink (Soda Pop Blue, Sublime, Fire & Ice, and Hippo Purple), and many different samples. I really love this brand. The ink works well in all of my pens that I've tried them in. I haven't had any issues with dryness or clogging. They are very pretty and consistently write well on every paper I have tried.

Mineral Wells, TX
overall: 5 out of 5
overall rating 5 out of 5
quality:
quality rating 5 out of 5
function:
function rating 5 out of 5
style:
style rating 5 out of 5
value:
value value 5 out of 5
Excellent quality product great price and fantastic service

West Haven, CT
overall: 5 out of 5
overall rating 5 out of 5
quality:
quality rating 5 out of 5
function:
function rating 5 out of 5
style:
style rating 5 out of 5
value:
value value 5 out of 5
This is my favorite shading ink because it shifts from heavy aqua to light turquoise. Excellent behavior too!

Toledo, OH
overall: 5 out of 5
overall rating 5 out of 5
quality:
quality rating 5 out of 5
function:
function rating 5 out of 5
style:
style rating 5 out of 5
value:
value value 5 out of 5
Absolutely in love with this ink, I got Soda Pop Blue and the color is beautiful with a blu-ish green (leaning more blue) with a subtle sheen. Takes a bit of time for it to dry it it run pretty nicely between my G-nib dipping pen and my fine nib vintage pen.

Atlanta, GA
overall: 5 out of 5
overall rating 5 out of 5
quality:
quality rating 5 out of 5
function:
function rating 5 out of 5
style:
style rating 5 out of 5
value:
value value 5 out of 5
I have never thought of getting these inks, had it not been with MR RON. Thanks a lot. The ink has great flow, nicely saturated, and a very functional bottle.

NEW DELHI, NCT-Delhi
overall: 5 out of 5
overall rating 5 out of 5
quality:
quality rating 5 out of 5
function:
function rating 5 out of 5
style:
style rating 5 out of 5
value:
value value 5 out of 5
One of my all time favorite blue inks. Love the rich blold color. This ink has gotten my attention so much I gave it inked up in four of my pens. Love Oster Soda POP Blue.

Ft Worth, TX
overall: 5 out of 5
overall rating 5 out of 5
quality:
quality rating 5 out of 5
function:
function rating 5 out of 5
style:
style rating 5 out of 5
value:
value value 5 out of 5
A very nice ink, good color and flow. It's in one of my pens most days.

Walnut, CA
overall: 5 out of 5
overall rating 5 out of 5
quality:
quality rating 5 out of 5
function:
function rating 5 out of 5
style:
style rating 5 out of 5
value:
value value 5 out of 5
I love these inks. The shades are unique and often have high shading qualities and halo-ing. My favourites are blue water ice, bondi blue, cherry blossom and African gold.

Cape Coral, FL
overall: 5 out of 5
overall rating 5 out of 5
quality:
quality rating 5 out of 5
function:
function rating 5 out of 5
style:
style rating 5 out of 5
value:
value value 5 out of 5
Ridiculously wet ink. Turns a Lamy Studio into a Visconti-like “firehose”. I got the Eucalyptus leaf, and it’s an excellent green color. Bottle is pretty big, and great shape for filling.

Apple Valley, MN
overall: 5 out of 5
overall rating 5 out of 5
quality:
quality rating 5 out of 5
function:
function rating 5 out of 5
style:
style rating 5 out of 5
value:
value value 5 out of 5
Tried a couple of these inks (Aqua, Blue Sea) less than a year ago, and I was immediately hooked. Great colors, good shading, some sheen like heck (I'm looking at you, Fire and Ice), and consistent performance in all of my pens. My second favorite ink manufacturer (behind Sailor, just ahead of Pilot).

Winters, CA
overall: 5 out of 5
overall rating 5 out of 5
quality:
quality rating 5 out of 5
function:
function rating 5 out of 5
style:
style rating 5 out of 5
value:
value value 5 out of 5
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