As character names:

U+1FBBB VOIDED GREEK CROSS 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 159, hex 0x9F, octal \237, binary 10011111
This is continuation byte 1, expecting 2 more.

Byte number 3 is decimal 174, hex 0xAE, octal \256, binary 10101110
This is continuation byte 2, expecting 1 more.

Byte number 4 is decimal 187, hex 0xBB, octal \273, binary 10111011
This is continuation byte 3, expecting 0 more.

U+1FBBB	VOIDED GREEK CROSS
	x (number sign - 0023)
	x (box drawings double vertical and horizontal - 256C)
	x (outlined greek cross - 2719)
	x (heavy greek cross - 271A)
	x (medium greek cross - 1F7A3)