Undefined Character (U+103DF)

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 0x9F`
UTF-16 Encoding:	`0xD800 0xDFDF`
UTF-32 Encoding:	`0x000103DF`

References