Z NOTATION LEFT IMAGE BRACKET U+2987

BlockMiscellaneous Mathematical Symbols-B
CategoryOpen Punctuation
UTF-80xE2 0xA6 0x87
UTF-160xFF 0xFE 0x87 0x29
UTF-320xFF 0xFE 0x0 0x0 0x87 0x29 0x0 0x0
HTML⦇
Pythonu"\u2987"