HORIZONTAL BLACK OCTAGON U+2BC3

BlockMiscellaneous Symbols and Arrows
CategoryOther Symbol
UTF-80xE2 0xAF 0x83
UTF-160xFF 0xFE 0xC3 0x2B
UTF-320xFF 0xFE 0x0 0x0 0xC3 0x2B 0x0 0x0
HTML⯃
Pythonu"\u2BC3"