Code point
U+3036
Glyph appearance depends on your fonts.
U+3036
So<compat> 3012U+3036 CIRCLED POSTAL MARK is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the CJK Symbols and Punctuation block.
Choose the representation you need, then copy its value.
U+3036
12342
〶
〶
E3 80 B6
3036
00003036
%E3%80%B6
\u3036
\u3036
\u3036
\3036