Section Notebook Japanese (1990s)

Still in production today, albeit with a slightly different designs, these 'Section Notebook' are gridded and designed for structuring drawing, maths & handwriting. 

We have two options of paper type:

Grid: 20mm divided further into 10mm with dotted lines.

Vertical Ruled: 9mm

The book is 180x254mm, that is roughly B5. It has 30 sheets (60 pages)