As character names:

U+A66F COMBINING CYRILLIC VZMET character (꙯)

As raw characters:

꙯

As a string of HTML entities:

꙯

Decoder output:

Byte number 1 is decimal 240, hex 0xF0, octal \360, binary 11110000
This is the first byte of a 4 byte sequence.

Byte number 2 is decimal 138, hex 0x8A, octal \212, binary 10001010
This is continuation byte 1, expecting 2 more.

Byte number 3 is decimal 153, hex 0x99, octal \231, binary 10011001
This is continuation byte 2, expecting 1 more.

Byte number 4 is decimal 175, hex 0xAF, octal \257, binary 10101111
This is continuation byte 3, expecting 0 more.

U+A66F	COMBINING CYRILLIC VZMET
	* used with Cyrillic and Glagolitic letters to indicate abbreviation
	x (combining cyrillic titlo - 0483)
	x (combining cyrillic pokrytie - 0487)