

Tono & Lims Prefecture Collection - Unshaken Conviction - 30ml
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Quiet Strength in Every Stroke
Inspired by the resilience and calm spirit of Japan’s Fukushima region, Unshaken Conviction from the Tono & Lims Prefecture Collection is a fountain pen ink that embodies stability, depth, and quiet confidence. This carefully crafted 30ml ink reflects the harmony of nature and human perseverance, translated into a refined green-black shade that feels both grounded and sophisticated on paper.
Created through the collaboration between Japanese ink designer Takashi Ono and South Korea’s Lim’s Lab, this ink represents a fusion of artistry and technical precision. Every bottle is designed to transform writing into a meaningful experience, where emotion meets expression in every line.
Product Features
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Brand: Tono & Lims
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Collection: Prefecture Series
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Ink Type: Fountain Pen Ink (Ink Pot / Bottle Ink)
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Color: Green Black (deep, muted natural tone)
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Volume: 30ml
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pH Level: 7.1 (balanced formulation)
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Color Profile: RGB 83, 102, 92
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Ink Style: Smooth-flow writing ink suitable for daily use and artistic expression
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Design Concept: Inspired by Fukushima’s strength, resilience, and calm natural landscapes
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Compatibility: Suitable for all standard fountain pens
"Ink Personality"
Unshaken Conviction is a calm yet powerful ink shade that carries a sense of inner stability. Its green-black tone feels grounded like forest shadows after rain — subtle, mature, and thoughtful. It is not overly bold, yet it leaves a lasting impression on the page, making it ideal for reflective writing, journaling, professional notes, or creative calligraphy.
This ink feels steady, composed, and deeply intentional — perfect for writers who prefer meaning over noise.
Why Fountain Pen Enthusiasts Love Tono & Lims
Fountain pen enthusiasts around the world appreciate Tono & Lims for its artistic approach to ink creation. Founded by fountain pen lover Takashi Ono in collaboration with Lim’s Lab, the brand is known for transforming ink into storytelling. Each color is not just a shade but an emotion tied to culture, place, and memory.
The Prefecture Collection, in particular, stands out for its conceptual depth — each ink reflects a specific region’s identity, blending geography with artistic interpretation. From soft pastels to deep expressive tones like Unshaken Conviction, the collection offers writers a chance to connect emotionally with their tools.
With smooth flow, consistent performance, and a wide creative palette including standard, shimmer, pigment, and fluorescent inks, Tono & Lims has become a trusted name for both collectors and everyday fountain pen users who seek something beyond ordinary writing ink.
| Brand | Tono & Lims |
| Colors | Green, Black |
| Series | Tono & Lims Prefecture |
| Size | 30ml |
















