Code point
U+1F143
Glyph appearance depends on your fonts.
U+1F143
So<square> 0054U+1F143 SQUARED LATIN CAPITAL LETTER T is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the Enclosed Alphanumeric Supplement block.
Choose the representation you need, then copy its value.
U+1F143
127299
🅃
🅃
F0 9F 85 83
D83C DD43
0001F143
%F0%9F%85%83
\U0001F143
\u{1F143}
\uD83C\uDD43
\1F143