LEFT SQUARE BRACKET WITH TICK IN BOTTOM CORNER
U+298F
⦏
Block
Miscellaneous Mathematical Symbols-B
Category
Open Punctuation
UTF-8
0xE2 0xA6 0x8F
UTF-16
0xFF 0xFE 0x8F 0x29
UTF-32
0xFF 0xFE 0x0 0x0 0x8F 0x29 0x0 0x0
HTML
⦏
Python
u"\u298F"