As character names:

U+03D7 GREEK KAI SYMBOL character (ϗ)

As raw characters:

ϗ

As a string of HTML entities:

ϗ

Decoder output:

Byte number 1 is decimal 207, hex 0xCF, octal \317, binary 11001111
This is the first byte of a 2 byte sequence.

Byte number 2 is decimal 151, hex 0x97, octal \227, binary 10010111
This is continuation byte 1, expecting 0 more.

U+03D7	GREEK KAI SYMBOL
	* used as an ampersand
	x (coptic symbol kai - 2CE4)