Title: Bifacial Knife
Object type: knife, Bifacial Knife
Date: ca. 4500–4000 B.C.
Period: Neolithic Period, Buto–Merimda–Maadi
Medium: Flint
Dimensions: L. 8.1 × W. 3 × Th. 0.7 cm (3 3/16 × 1 3/16 × 1/4 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