An undeciphered alphabetic stele found in Ördek-Burnu, 20 km south of Sam'al (8 miles south of Zinjirli) in what is now northern Syria, dates to the 9th century BCE. The language of the inscription is difficult to interpret. It contains Semitic words but is not grammatically Semitic, and may be a mixture of Luwian and a Semitic language. It is kept in Istanbul.
References
Stele of Ördek-Burnu Wikipedia(Text) CC BY-SA