Title: Bifacial Knife
Object type: Knife, bifacial knife
Date: ca. 4500–4000 B.C.
Period: Neolithic Period, Buto–Merimda–Maadi
Medium: Flint
Dimensions: H. 8 × W. 2.2 × Th. 1.1 cm (3 1/8 × 7/8 × 7/16 in.)
Credit line: Gift of Albert Rothbart, 1933
Geography: From    Egypt Western Delta Merimda Beni Salama   Vienna Academy of Science excavations 1929–30 
Department: Egyptian Art
Repository: Metropolitan Museum of Art, New York, NY