This is a smooth fragment with two parallel incised lines, with the remains of two hieroglyphs between them. The hieroglyphs are too fragmentary to be read.
From Nubia (Sudan), Kerma, K III 2(1)a. 1914: Excavated by the Harvard University–Boston Museum of Fine Arts Expedition; assigned to the MFA by the government of Sudan.
Harvard University—Boston Museum of Fine Arts Expedition