Glagolitic Capital Letter Yati
HTML Entity Browser Test:

U+2C21 is the Unicode hex value of the character Glagolitic Capital Letter Yati, which is categorized as "uppercase letter" in the Unicode 6.0 character table.

Unicode Character Information
Unicode Hex U+2C21
Character Name GLAGOLITIC CAPITAL LETTER YATI
General Category Uppercase Letter [Code: Lu]
Canonical Combining Class 0
Bidirectional Category L
Mirrored N
Lowercase Version U+2C51
Unicode Character Encodings
Glagolitic Capital Letter Yati HTML Entity Ⱑ (decimal entity), Ⱑ (hex entity)
Windows Key Code Alt 11297 or Alt +2C211
Programming Source Code Encodings Python hex: u"\u2C21", Hex for C++ and Java: "\u2C21"
UTF-8 Hexadecimal Encoding 0xE2B0A1
1 To type a Unicode symbol in Windows, hold down the ALT key and enter the decimal or hexadecimal code provided using the numeric keypad. The decimal alt code (Alt 11297) will only work on computers with support for this Unicode character in the active code page. The hexadecimal alt code (Alt +2C21) will work for all Unicode characters provided Hex input from the numeric keypad is enabled.
* If the Glagolitic Capital Letter Yati character does not display correctly in your browser, you may not have a Unicode font on your system that supports this particular symbol.