TWSBI Eco
Key Attributes
| Brand | TWSBI |
| Model | Eco |
| Era | post-1980 |
| Filling System | piston-filler |
| Nib Material | steel |
| Body Material | plastic |
| Colorway | black demonstrator |
| Condition Grade | mint |
| Rarity | common |
About this Fountain pen
The TWSBI Eco is a modern demonstrator fountain pen with a black cap and end cap. It is a piston-filling model designed as an affordable everyday writer rather than a vintage collectible.
Gallery
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