This is drawn from the roundabout at Zaandammerweg, in Assendelft, which is on the way to Haarlem, if you’re cycling from Wormerveer, which I was that day.
Made mostly in that fantastic Cobalt Blue fountain pen ink by Graf von Faber-Castell, with some lines and smudges added in purple pencil. The ink is supposed to be a dark rich cobalt blue, but when you dilute it right down, or dab it off when it’s still wet on the page, it seems to go much more purple, even pink. It’s the loveliest ink I’ve ever handled.