Undefined Character (U+103D9)

Block:	Old Persian, U+103A0 - U+103DF^[1]
Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𐏙` `𐏙`
UTF-8 Encoding:	`0xF0 0x90 0x8F 0x99`
UTF-16 Encoding:	`0xD800 0xDFD9`
UTF-32 Encoding:	`0x000103D9`

References