TWSBI Obsidian Fountain Pen
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Description
TWSBI Obsidian Fountain Pen – Premium Dark Elegance & Smooth Writing
The TWSBI Obsidian Fountain Pen is a stunning, special-edition–style writing instrument crafted for users who appreciate bold design, flawless engineering, and the pleasure of writing with a piston-filler fountain pen. Its deep, stone-inspired Obsidian finish gives it a refined, powerful presence — perfect for professionals, collectors, and everyday writers.
✨ Premium Design, Rich Obsidian Finish
The Obsidian features a dark volcanic-stone–style resin that combines elegance with durability. The polished finish and refined lines make this pen stand out while maintaining the classic TWSBI feel.
✒️ Smooth Writing Performance
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High-quality #5 nib (EF/F/M/B options)
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Consistent ink flow for clean, uninterrupted writing
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Piston-filling mechanism for large ink capacity
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Excellent grip, balance, and long-session comfort
🔧 Easy Maintenance
TWSBI includes tools (wrench + silicone grease) so you can service the pen over time, ensuring long-term performance and reliability.
🎁 Ideal For

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Pen collectors
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Journalers and daily writers
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Professionals who enjoy premium, elegant designs
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Anyone who prefers piston-fill fountain pens
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Gift buyers looking for a sophisticated writing instrument
🛒 Buy the TWSBI Obsidian Fountain Pen at Pen Planet
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Additional Information
| Pen tip design |
Extra Fine, Fine, Medium, Broad, Stub 1.1 |
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