View details and encodings for Unicode character U+298F Left Square Bracket With Tick In Bottom Corner, located in the Miscellaneous Mathematical Symbols-B block and Open Punctuation category. This character was released in 2002 under Unicode version 3.2.
⦏⦏⦏U+298F;10639\00298F\u298F\x{298F}\u{298F}u'\u298F'