TWSBI ECO Slate Blue & Onyx Fountain Pen
The TWSBI ECO fountain pen boasts an incredible value with its piston filling system and affordable price. Like many other TWSBI fountain pens, it features a crystal clear acrylic barrel so you can see your ink level, and a slate blue cap. The pen cap has an inner cap to ensure a perfect seal when stored away. It is completed with black onyx trim and a black stainless steel nib.
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