Triangle without JIS (1972? – 1975)
Triangle with JIS “ぺんてる” (1976 – 1977)
Triangle with JIS “Pentel” (1977 – 1980)
Square with JIS (no number) (1980 – 1986)
10 Likes
Congratulations!
Museum quality 
I wonder why the 0.3 JIS sticker on the 3rd from left is a different color than most. I have a pre-JIS sticker for this pencil with the same color. Possibly sun bleached?
1 Like
Love this! (And I saw your post on X)
Are stickers 4 and 6 identical?
1 Like
One is Japanese writing.
1 Like
My God, I’m blind 
1 Like