Code point
U+212C
Glyph appearance depends on your fonts.
U+212C
Lu<font> 0042U+212C SCRIPT CAPITAL B is a Unicode 16.0.0 character in the Uppercase Letter category. It belongs to the Letterlike Symbols block.
Choose the representation you need, then copy its value.
U+212C
8492
ℬ
ℬ
ℬ
E2 84 AC
212C
0000212C
%E2%84%AC
\u212C
\u212C
\u212C
\212C