흑심 BLACKHEART

Vintage MITSU-BISHI 580

Brand : Mitsubishi

Barrel Shape : Round

Pencil Type : Standard Ferrule

Grade : HB

Production Date : Circa 1950~90s

Made in Japan

It is a pencil with a cap, and the (old) JIS mark is marked on the pencil and package.

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(Old) JIS mark

In Japan, JIS (Japanese Industrial Standard) marks have been introduced for pencils since the 1950s,

but as pencil industry technology stabilizes,

JIS marks have not been marked on pencils since the late 1990s.