Code point
U+A877
Glyph appearance depends on your fonts.
U+A877
PoU+A877 PHAGS-PA MARK DOUBLE SHAD is a Unicode 16.0.0 character in the Other Punctuation category. It belongs to the Phags-pa block.
Choose the representation you need, then copy its value.
U+A877
43127
꡷
꡷
EA A1 B7
A877
0000A877
%EA%A1%B7
\uA877
\uA877
\uA877
\A877