Shoshinsha mark

The shoshinsha mark (初心者マーク) or Wakaba mark (若葉マーク), officially Beginner Drivers' Sign (初心運転者標識, Shoshin Untensha Hyōshiki), is a green and yellow V-shaped symbol that beginner drivers in Japan must display at the designated places at the front and the rear of their cars for one year after they obtain a standard driver's license.

In Tochigi, for example, new mothers are issued a card with the mark on it to indicate their experience level to health and child care support staff.

Frog, the character Tamama has a mirrored shoshinsha mark on his hat and stomach.

[6] Georgists have begun using the symbol as an online identifier on Twitter due to its resemblance to a shield.

[7] The mark is represented in Unicode as U+1F530 (🔰), as part of the Miscellaneous Symbols and Pictographs block.