Title: Biface, commonly referred to as a hand ax
Object type: Tool, biface, hand ax, sub-cordiform
Date: ca. 400,000–240,000 B.C.
Period: Lower Paleolithic Period
Medium: Flint
Dimensions: L. 9.6 × W. 6.5 × Th. 1.9 cm, Wt. 122.7g (3 13/16 × 2 9/16 × 3/4 in., 4.328oz.)
Credit line: Gift of C. T. Currelly, 1906
Geography: From    Egypt Upper Egypt, Thebes Deir el-Bahri    
Department: Egyptian Art
Repository: Metropolitan Museum of Art, New York, NY