This character is a Uppercase Letter and is mainly used in the Latin script. Its lowercase variant is Latin Letter Wynn. The character is also known as wen.
The glyph is not a composition. It has no designated width in East Asian texts. In bidirectional text it is written from left to right. When changing direction it is not mirrored. The word that U+01F7 forms with similar adjacent characters prevents a line break inside it.
The Wikipedia has the following information about this codepoint:
Wynn or wyn (Ƿ ƿ; also spelled wen, win, ƿynn, ƿen, and ƿin) is a letter of the Old English alphabet, where it is used to represent the sound /w/.
Representations
System
Representation (click value to copy)
Nº
503
UTF-8
C7 B7
UTF-16
01 F7
UTF-32
00 00 01 F7
URL-Quoted
%C7%B7
HTML hex reference
Ƿ
Wrong windows-1252 Mojibake
Ç·
alias
wen
Encoding: GB18030 (hex bytes)
81 30 A2 39
RFC 5137
\u'01F7'
Bash and Zsh inside echo -e
\u01F7
C and C++
\u01F7
C#
\u01F7
CSS
\0001F7
Excel
=UNICHAR(503)
Go
\u01F7
JavaScript
\u01F7
Modern JavaScript since ES6
\u{1f7}
JSON
\u01F7
Java
\u01F7
Lua
\u{1F7}
Matlab
char(503)
Perl
"\x{1F7}"
PHP
\u{1f7}
PostgreSQL
U&'\01F7'
PowerShell
`u{1F7}
Python
\u01F7
Ruby
\u{1f7}
Rust
\u{1f7}
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