RIGHT SQUARE BRACKET WITH TICK IN BOTTOM CORNER U+298E

BlockMiscellaneous Mathematical Symbols-B
CategoryClose Punctuation
UTF-80xE2 0xA6 0x8E
UTF-160xFF 0xFE 0x8E 0x29
UTF-320xFF 0xFE 0x0 0x0 0x8E 0x29 0x0 0x0
HTML⦎
Pythonu"\u298E"