Corner fragment of inscribed prism (kudurru), Neo-Babylonian, ca. 7th?6th century B.C., Mesopotamia, Babylon (?), Babylonian, Clay, 4.02 x 3.5 x .5 in. (10.21 x 8.89 x 1.4 cm), Clay-Tablets-Inscribed, The invention of writing in approximately 3300 B.