ERROR-BARRED BLACK DIAMOND U+29F1

BlockMiscellaneous Mathematical Symbols-B
CategoryMath Symbol
UTF-80xE2 0xA7 0xB1
UTF-160xFF 0xFE 0xF1 0x29
UTF-320xFF 0xFE 0x0 0x0 0xF1 0x29 0x0 0x0
HTML⧱
Pythonu"\u29F1"