Proto-writing consists of visible marks communicating limited information. Such systems emerged from earlier traditions of symbol systems in the early Neolithic, as early as the 7th millennium BC Chin
Turtle plastron from Jiahu inscribed with an eye-like symbol
Clay amulet, one of the Tărtăria tablets, dated to c. 5300 BC
The Vinča symbols are a set of undeciphered symbols found on artifacts from the Neolithic Vinča culture and other "Old European" cultures of Central and Southeast Europe. They have sometimes been desc
Fragment of a clay vessel with an M-shaped incision
Potsherd bearing an inscribed mark belonging to the corpus of Vinča symbols
One of the Gradeshnitsa tablets