Rhomboid-Shaped Bifacial Knife
Object type: Knife, rhomboid, bifacial knife
Department: Egyptian Art
Period: Predynastic, Late Naqada l–Naqada II
Date: ca. 3900–3500 B.C.
Medium: Flint
Dimensions: L: 21.5 cm (8 7/16 in.)
Geography: From    Egypt  
Credit line: Rogers Fund, 1907
Accession year: 1907