Robert Oster Signature Ink(50ml) Fountain Pen Ink

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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

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!

Robert Oster Signature Ink(50ml) Color Chart

Robert Oster Signature Ink(50ml) Reviews

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Overall rating:

4.8

out of 5
(42 reviews)

The ink I got was Blue Night. It was not quite as dark as I thought it might be from the ink swatch on the ordering page. Still, it's a nice blue ink with a bit of a grey tone to it. It's fine.

Janice
Duluth, GA

5 out of 5

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I’m so glad I tried Robert Oster ink. It is fabulous!,

Cindy
Murrells Inlet, SC

5 out of 5

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I'm really liking this brand of ink. It was new for me this year, but I have found this product to be great quality. I enjoy the colors offered especially in the shimmer.

Michael
Goodyear, AZ

5 out of 5

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Some of the best ink around!

Zachery
MORGANTOWN, WV

5 out of 5

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Candy Red.. great shading

Nancy
Bella Vista, AR

4 out of 5

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I LOVE this color! And the shading is awesome!!!

Lea
Northridge, CA

5 out of 5

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I love this ink! Very vibrant, saturated color!

Melissa
Keaau, HI

5 out of 5

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I did not know about Robert Oster inks until I was able to test his inks at a local Pen Show. Incredible colors. Incredible inks. I purchased a few bottles and little did I know at the time I would use his inks to draw/sketch with. I filled my TWSBI GOs (stub 1.1) with his inks and found a wonderful combination. I do my initial drawings and then use a water brush to pull out the ink's characteristics (colors/hues). Brilliant colors! My fave are Bronze, Blue Black, Thunderstorm, African Gold, Whisper Red, Copper, Fire and Ice, Grey Seas, Eucalyptus Leaf, Sydney Darling Harbour to name a few. Robert Oster is known for his fabulous blue colors. They are too many to name here.

Susan
Manassas, VA

5 out of 5

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Nice violet black color that leans on the black side. The violet color can be seen if you spread it on a paper but it's more toward the bluish gray side. The violet is also noticeable if you look really close compared to a black ink. Not waterproof so try not getting the whole paper wet in water. Would recommend it if work insisted on only black and you want to get a different ink that no one but you would know

Gene
Whitestone, NY

5 out of 5

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Reliable functionality combined with a virtually endless pallet of color

Anthony M.
Oviedo , FL

5 out of 5

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