The Dispilio Tablet is a wooden tablet bearing inscribed markings (charagmata), unearthed during George Hourmouziadis's excavations of Dispilio in Greece and Carbon 14-dated to about 7300 BP (5260 BC).
see in my background the markings of the tablet! It is about time to end with the phoenician ypothesis , Phoenicians were active as merchants in Mediterranean in 1200 b.c. until 800 b.c. according to Herodotus.. The inscription is about 4,000 years older..
" The letters of Crete is the mother of Phoenician letters" Arthur Evans, «scripta minoa Oxford»
"The Greek language was formed in the Greek peninsula in around 6500 b.c. " Colin Renfrew
De Saussure «Course in general linguistuics» "Alphabet is a greek invention"