UPPER RIGHT DROP-SHADOWED WHITE SQUARE U+2750

BlockDingbats
CategoryOther Symbol
UTF-80xE2 0x9D 0x90
UTF-160xFF 0xFE 0x50 0x27
UTF-320xFF 0xFE 0x0 0x0 0x50 0x27 0x0 0x0
HTML❐
Pythonu"\u2750"