Code point
U+2987
Glyph appearance depends on your fonts.
U+2987
PsU+2987 Z NOTATION LEFT IMAGE BRACKET is a Unicode 16.0.0 character in the Open Punctuation category. It belongs to the Miscellaneous Mathematical Symbols-B block.
Choose the representation you need, then copy its value.
U+2987
10631
⦇
⦇
E2 A6 87
2987
00002987
%E2%A6%87
\u2987
\u2987
\u2987
\2987