3oz (90ml) glass bottle of Noodler's Blue Ghost invisible fountain pen ink. Clear in daylight, this ink has a fluorescent glow under UV light.
Noodler's Ink Blue Ghost 3 oz Ink Bottle - Pen Boutique Ltd
Noodler's Ink – Rileystreet Art Supply
Noodler's Blue Ghost (3oz) Bottled Ink
Products – Page 260
3oz (90ml) glass bottle of Noodler's Blue Ghost invisible fountain pen ink. Clear in daylight, this ink has a fluorescent glow under UV light.
Noodler's Blue Ghost - 3oz Bottled Fountain Pen Ink - The Goulet
Noodler's Blue Ghost Bottled Ink is clear ink and invisible under normal light but glows brightly under UV light. Use it to write secret messages or
Noodler's Blue Ghost (3oz) Bottled Ink
Noodler's Blue Ghost - 3oz Bottled Fountain Pen Ink - The Goulet Pen Company
19190 Blue Ghost — Noodler's Ink
All Noodler's Bottled Ink – Page 9