The name Keter, meaning crown in Hebrew, originally referred to one very special codex of the Torah, which was written with punctuation and cantillation marks in the city of Tiberias (Eretz Israel) by Aaron ben Asher. Receiving later Maimonides' approbation as the most precise edition of the text, it became the most cherished manuscript of the Torah. The manuscript, which ended up in Aleppo (Syria), was rescued by Jews and brought to Israel and is now on permanent display at the Israel Museum.  Over time, the term Keter came to include any codex of the Bible or one of its components which includes vocalization and masoretic marks.