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Step into the calm of twilight with Robert Oster Blue Night Ink, a fountain pen ink that captures the quiet beauty of the evening sky. This sophisticated shade offers a rich, deep midnight blue tone with subtle shading, perfect for professional writing, journaling, or creative expression. Packaged in a 50ml recyclable PET bottle, this premium ink combines smooth flow and reliable performance with Robert Oster’s environmentally conscious production practices. Key Features: 50ml fountain pen ink in eco-friendly PET packaging Elegant midnight blue hue with excellent shading potential Smooth, consistent ink flow – safe for all fountain pens Perfect for business, journaling, or artistic projects Made in Australia with sustainable craftsmanship A refined, timeless shade for any fountain pen ink collection Bring a sense of calm and sophistication to your writing with Robert Oster Blue Night Signature Ink—crafted for thoughtful, expressive moments.
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🇺🇸 Ship from USA · On Agora since 2026
$3.75