circled ideograph accept symbol.
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symbol
Japanese “acceptable” button was assigned codepoint in Unicode 6.0 on 11 October 2010.
Japanese “acceptable” button was included in Emoji 1.0 on 04 August 2015.
🉑 U+1F251
:accept:
🈚 Japanese “free of charge” button
🈶 Japanese “not free of charge” button