প্ল্যাকার্ড

A sign on a post, commonly used to promote ideas, causes, or make announcements. Often used used in the context of politics to represent a lawn sign or a poster brought to a protest. Also seen in commercial advertising.

Shown with indiscernible writing or not writing at all, this emoji is flexible in its use. WhatsApp shows a peace sign, which tilts the meaning away from commercial use.