This is two joining pieces of low relief depicting vessels and offerings. Traces of black paint.
From Giza. Street G 7000, debris E of sub pyr G I-b. 1924: Excavated by the Harvard University–Boston Museum of Fine Arts Expedition; assigned to the MFA in the division of finds by the government of Egypt. (Accession date: April 28, 2005)
Harvard University—Boston Museum of Fine Arts Expedition