<em>Cutting Flake or Scraper</em>, ca. 4400-2170 B.C.E. Brownish chert, 1 7/16 x 3/8 x 2 11/16 in. (3.7 x 0.9 x 6.8 cm). Brooklyn Museum, Charles Edwin Wilbour Fund, 07.447.970. Creative Commons-BY (Photo: , CUR.07.447.970_Neg07.447.966GRPA_print_cropped_bw.jpg)