TWSBI Obsidian
TWSBI Obsidian（ツイスビー オブシディアン）【特別生産品】
In productionReleased 2026Fountain pen
list price $212 · 4 part numbers
“TWSBI Obsidian” — Fountain pen from TWSBI. Status: In production. 4 part numbers recorded. List price $212 (incl. tax). View Japanese page