Concerning the Paleo-Hebrew alphabet Wikipedia notes: Archeological evidence of the use of the script by the Israelites for writing the Hebrew language dates to around the 10th century BCE. read more
These letters are still pictographic, but written in a simpler form. For instance, the paleo-Hebrew aleph is a simpler form of the letter, but still looks like the head of an ox. This paleo-Hebrew alphabet was used by all peoples, Semitic and non-Semitic peoples in the Near East including the Hebrews, Phoenicians, Arameans, Moabites, Amorites, etc. read more