Hobonichi A5 Cousin Graph Notebook - Naoki Ishikawa: Denali in the Midnight Sun #1 crystal beryl The Duragraph model was launched

The Duragraph model was launched in 1923 and was soon considered to be the definitive pen

Hex-butterflies and inky frogs lounge atop the mushroom caps while tiny worms

or run slightly

Ink Color: Blue/Black

Hobonichi A5 Cousin Graph Notebook - Naoki Ishikawa: Denali in the Midnight Sun #1 crystal beryl The Duragraph model was launchedThis graph paper notebook is made with Tomoe River paper, opens completely flat, and the printing comes in four different colors across the book. The cover features photography by Naoki Ishikawa of Denali, North America's highest peak. There's a charming remnant of the developer fluid you can see as applied on the original photograph. Material Paper Size(WHD) 210 x 148 x 10 (mm) Weight 278g