Brahmi Script
While these scholars have deciphered the Brahmi Script, it is yet to gain acceptance in all circles. But it will be useful to us.
Quoted from : http://www.ancientscripts.com/brahmi.html
Image below from : http://www.cs.colostate.edu/~malaiya/ashoka.html (Asoka’s edict at Girnar)
See Also: Asoka Sila Sasanam at Brahmagiri.
A sample of Sumerian Pictographic Script :
http://www.fsmitha.com/h1/ch01.htm : Sumerian characters : 3200 BC?
