Brand: Tombow Pencil Co.
Made in: Japan
Translation~ TOMBOW "Special oil impregnated lead TOMBOW highest class Pencil for drafting 8000"
nNot sure exactly what this one indicates. I am sure much like my Tombow 3H. The marks on this Tombow appeas to be older as well. Lead degree is unknown at this time.
This Japanese company was founded in 1913 and is still manufacturing fine writing instruments more than 100 years later.