Uni-ball Signo 307 Gel Pen

The Signo 307 is the follow-up model to Uni-ball's classic Signo 207. The 307 is a newer models, not a replacement or upgrade to the 207 though -- while the 307 has a newer design and updated styling it has a number of cost-cutting measures that make it in some ways a step back from
The Signo 307 is the follow-up model to Uni-ball's classic Signo 207. It's an excellent pen with anti-fraud ink.

Uniball Signo 307 - Tokyo Pen Shop

307 Gel Pen, Retractable, Medium 0.7 mm, Black Ink, Black Barrel

Uni-ball Signo 307 Gel Ink Pen 0.5mm -Blue Ink - Smooth Pens

Uni-Ball Signo 307 Fine Retractable Gel Pen Black

Uniball Signo 307 Gel Pens, Medium Point (0.7mm), Red Ink, 12 Count

Since it is a pigment ink, it has excellent water resistance and light resistance, is resistant to fading due to light, and does not bleed through water.

Uni-Ball Signo 307 Gel Ink Pen Black (UMN30705.24) , 0.5 mm, 3 Pens per Pack (Japan Import) [Komainu-Dou Original Package]

Review: uni-ball Signo 307, Gel Ink, 0.7mm – Pens and Junk

Uni-ball Signo 307 Retractable Gel Pen, 5mm, 3/Pkg

Uni】Uni-ball Signo 307 Gel Ink Pen 3-in-1 Bundle Set 0.5mm 0.7mm

Visual Tour: Uni-ball Signo 307

Mitsubishi Pencil Gel Ballpoint Pen Refill Signo 0.38 Blue Umr83e.33

Uni-ball UMR-85E UMR-87E Signo 307 Gel Pen Refill 0.7 0.5mm Uni Black Blue Red

Uniball Signo 307 Gel Pens, Micro Point (0.5mm), Blue Ink, 12