Japanese “bargain” button emoji 🉐 is part of the Symbols and Alphanumeric Symbols emojis. On some systems it can be accessed by using :japanese_bargain_button:, :ideograph_advantage: or :ja_bargain: shortcodes.
It was approved as part of Unicode in 2010 so it should be displayed properly on all devices.
Tags: Ideograph, Japanese, Japanese “bargain” button, “bargain” and 得