흑심 BLACKHEART

Vintage Mitsubishi No.150

Brand : Mitsubishi Pencil Co.

Barrel Shape : Round

Pencil Type : No Ferrule

Grade : B

Production Date : Circa 1950~90s

Made in Japan

The (old) JIS mark is marked on the pencil and the package.

〄

(Old) JIS mark

In Japan, since the 1950s, pencil

The JIS (Japanese Industrial Standard) mark was introduced.

As the pencil industry technology stabilized,

from the late 1990s

The JIS mark is no longer displayed on the pencil.