RIGHT SQUARE BRACKET WITH TICK IN TOP CORNER U+2990

BlockMiscellaneous Mathematical Symbols-B
CategoryClose Punctuation
UTF-80xE2 0xA6 0x90
UTF-160xFF 0xFE 0x90 0x29
UTF-320xFF 0xFE 0x0 0x0 0x90 0x29 0x0 0x0
HTML⦐
Pythonu"\u2990"