I have a thing for good brown inks - they stay in my favorite pens. : r/fountainpens

S.T Dupont Classic Fountain Pen Gold Dust Brown Chinese Lacquer 18K Gold Nib

Wordsworth & Black Fountain Pen Set, 18K Gilded Medium and Extra Fine Nibs, 6 Ink Cartridges, Ink Refill Converter Gift Case turquoise Gold

11 Best-Behaved Fountain Pen Inks (for Each Color) - One Pen Show

Choosing Pens for Drawing, Doodling & Sketching

The Best Pens & Accessories for Tomoe River S Paper

Conway Stewart Fountain Pens - Luxury Writing Instruments

My Personal Top 10 Fountain Pen Inks

Permanent fountain pen inks for ink & wash sketching - Liz Steel : Liz Steel

Thornton's Office Supplies Novice Disposable Fine Point Brown Ink Fountain Pens Pack of 12 TOS-DFPBRN12F Journaling and Calligraphy Pen for Smooth

4 Best Brown Fountain Pen Inks (That You Need to Try) - Wendy Zhou