Codex Sinaiticus (340 AD). It is considered one of the two most important manuscripts in existence. In 1844 Dr. C. Tischendorf, a German Bible professor and scholar, at the monastery of St. Catherine at Mt. Sinai, found monks lighting their fires with this manuscript. When he rescued it, it contained copies (4th Cent. A.D.) of the whole New Testament and half of the Old Testament in Greek. Because of its importance he called it "aleph" after the first letter of the Hebrew alphabet. In 1933, the (USSR) sold it to the British Museum for 100,000 pounds ($500,000) where it is today.