Title: Fragment of a fishtail knife
Object type: Knife, fishtail, bifacial knife
Date: ca. 4500–4000 B.C. (?)
Period: Predynastic Period
Medium: Flint
Dimensions: L. 9.7 cm (3 13/16 in.); w. 5.6 cm (2 3/16 in.)
Credit line: Gift of Albert M. Lythgoe, 1917
Geography: Probably from     Northern Upper Egypt Deir el-Ballas    
Department: Egyptian Art
Repository: Metropolitan Museum of Art, New York, NY