Code point
U+1F148
Glyph appearance depends on your fonts.
U+1F148
So<square> 0059U+1F148 SQUARED LATIN CAPITAL LETTER Y 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+1F148
127304
🅈
🅈
F0 9F 85 88
D83C DD48
0001F148
%F0%9F%85%88
\U0001F148
\u{1F148}
\uD83C\uDD48
\1F148