Robert Oster Signature Inks--Deep Purple 50ml bottle Fountain Pen Ink
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Robert Oster Signature Inks are known worldwide to fountain pen users as top-quality ink with a wide variety of colors. Some very unique colors. Robert and his company believe in making the world a better place by giving back. Giving back to the world in general and giving back to the pen/ink community. Deep Purple comes in a 50ml bottle.