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Diamine Ink Bottle (30ml / 80ml) – Onyx Black Diamine brand ink has a long and rich history, dating back to 1864. Diamine ink is produced in the UK and is made with a gentle formula safe for all fountain pens. It has quickly become one of the most popular and sought-after brands around. A wide selection of ink colours are available – 80ml Glass Ink Bottle / 30ml Plastic Ink Bottle
| Size | 80ml, 30ml |
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