Trying to identify an old Japanese pen based on description : r/pens

Japanese Pen Reviews

No Name Vintage Japanese Eyedropper Pen - Japan - Asia - The Fountain Pen Network

Pen - Wikipedia

The Best Japanese Gel Pens

The Gentleman Stationer

Best Brown Fountain Pens - The Goulet Pen Company

20 Best Teacher Pens, As Recommended By Real Educators

My Three Type-100 Fountain Pens from HERO – FrankUnderwater

FPGeeks Forum

The Japan stationery haul, Part 1: The pens (and a few pencils) – Urban Adventure League

JAPAN BLUE Professional Gear Fountain Pen

Fountain Pen Enthusiasts

Fountain Pen Sketching Part 4: Choosing a fountain pen - Liz Steel : Liz Steel

Why are Montblancs so Special? Let's Begin with Meisterstück - Pen Boutique Ltd