Little Wren singing it's lungs out. Small sketch done with dipping pen and Diamine "Autumn Oak" ink. The paper I used is a cheap Seawhite Eco sketchbook. I really enjoyed this ink
Using Sticks and Twigs for Expressive Ink Drawings — Koosje Koene
Artists' Inks - Seawhite of Brighton Ltd
Review: Seawhite of Brighton A5 Starter Sketchbook - The Well-Appointed Desk
Drawing Ink- Seawhite - 500ml Bottle- White – WoW Art Supplies
Seawhite of Brighton - Our vibrant, high pigment drawing inks come in a wide range of colours, are easily mixed, bleachable and water based allowing you to rework the ink even once
Koh-i-Noor Drawing Ink Set x6 bottles - Seawhite of Brighton Ltd
Drawing Ink 20g - Waterproof - Seawhite of Brighton Ltd