File:SAG.png

evolution of the cuneiform sign SAG "head", 3000-1000 BC, after Samuel Noah Kramer, "Thirty Nine Firsts In Recorded History" (see, see also The image shows the evolution of the sign SAG "head" (Borger nr. 115, U+12295 𒊕).
 * 1) the pictogram as it was drawn around 3000 BC.
 * 2) the rotated pictogram as written around 2800 BC.
 * 3) the abstracted glyph in archaic monumental inscriptions, from ca. 2600 BC
 * 4) the sign as written in clay, contemporary to stage 3.
 * 5) late 3rd millennium (Neo-Sumerian)
 * 6) Old Assyrian, early 2nd millennium, as adopted into Hittite.
 * 7) simplified sign as written by Assyrian scribes in the early 1st millennium