Dear Colin, the earliest cuneiform is here.
Stylus impressed clay tablet from Jemdet Nasr, dated to the Uruk III period (c.3200–3000 bc). 8.1 cm × 7.7 cm. BM 116730. © Trustees of the British Museum
in Kathryn E. Piquette and Ruth D. Whitehouse, Writing as Material Practice: Substance, surface and medium. Ubiquity Press, London, 2013
here Y-barton (talk) 17:36, 7 March 2016 (UTC)
