初心運転者標識
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Meanings
1
beginner driver plate; new driver sticker
A V-shaped green and yellow symbol that newly qualified drivers in Japan must display on their cars for one year. Commonly called 若葉マーク.
See also: 若葉マーク
The beginner driver plate must be displayed for one year after obtaining a license.
That car has a beginner driver plate, so the driver probably isn't used to driving yet.