This is the corner of a base of a statuette with three finished surfaces, two of which have an incised hieroglyphic inscription. The stone is black granodiorite with sporadic black biotite inclusions and mica, the break areas look granulated. GD5. It possibly joins 20.1185a and 20.1185b.
From Nubia (Sudan), Kerma III Room DD. 1913. Excavated by the Harvard University–Boston Museum of Fine Arts Expedition; assigned to the MFA by the government of Sudan. December 1913
Harvard University—Boston Museum of Fine Arts Expedition