TWSBI Diamond Mini
Key Attributes
| Brand | TWSBI |
| Model | Diamond Mini |
| Era | post-1980 |
| Filling System | piston-filler |
| Nib Material | steel |
| Body Material | plastic |
| Colorway | clear demonstrator with silver trim |
| Condition Grade | mint |
| Rarity | common |
About this Fountain pen
A compact modern TWSBI fountain pen from the Diamond series, identifiable as the Mini model. It is a contemporary demonstrator-style pen with faceted transparent construction and metal trim, aimed at everyday writing rather than vintage rarity.
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