Uncategorized · Bottled Ink

TWSBI Blue-Black - 70ml Bottled Ink

TWSBI · sold by The Goulet Pen Company · $19.99 · in stock

This frosted glass bottle contains 70ml of TWSBI Blue-Black fountain pen ink, and comes with a conical insert for easy pen filling. This color is a modern iron gall and highly water-resistant. The top of the TWSBI Diamond 50 Inkwell is also interchangeable with the top of these 70ml ink bottles, for another easy way to fill compatible pens.

Prices and stock from www.gouletpens.com’s public catalog, last checked 2026-11-01 10:03 UTC; the store’s checkout shows the final price. Agents: JSON at https://api.kaupia.com/v1/product?id=kp:e0a73458-8096-42b2-aa70-1c0250ca3932; buy with POST /v1/checkout or MCP create_checkout.