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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 - 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 - 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 - Burgundy
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Caffe Crema
  • 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 - 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 - 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 - Midnight Sapphire
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Moss
  • 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 Zest
  • Robert Oster Signature Ink(50ml) Fountain Pen Ink - Peach
  • 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 - 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 - Tangerine
  • 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.
* Typcially ships in 14-17 business days.


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 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 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 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 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 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 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 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 Purple Soul - Jazz
Purple Soul - Jazz
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 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 Tangerine
Tangerine
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:
4.7
out of 5
(10 reviews)

 
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
nice

Taichung City, West Dist
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 bought this in River of Fire. It's quite green. I don't notice any sheening qualities, but it's a nice ink. It seems a bit more wet than some of my other inks, but I like how easy it flows.

mesa, AZ
overall: 4 out of 5
overall rating 4 out of 5
quality:
quality rating 4 out of 5
function:
function rating 4 out of 5
style:
style rating 4 out of 5
value:
value value 4 out of 5
Beautiful color blue. Haven't filled a pen yet. So far have only tested with a dip pen. Performed well. Got a nice long line and did get a little of the red shading writing on Tomoe River paper.

Lees Summit, MO
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
Great ink, very vibrant blue, Almost Turquoise with a nice red outer lining on good paper. Well behaved and high color saturation with shading.

Richmond, VA
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 a great blue ink. I have been using it as an everyday ink for now.The color is really eye-catching.

Concord, CO
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
For those who like or can appreciate muted, dusty colors, this is a beautiful ink. While it may not be suitable in a business setting, it would make a great addition to your ink collection for journaling or personal coorespondence. I used a Lamy 27 with a broad nib and got some beautiful shading.

Waltonville, IL
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 a great colorful ink. A beautiful shade of blue, especially with a wider nib such as a stub.
I just love the color. Wonderful

Minneota, 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
This ink is a very pretty ink. If you love the color turquoise this is the ink for you.

blackfoot, ID
overall: 4 out of 5
overall rating 4 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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