SYL
Codex Sinaiticus
EN
The Codex Sinaiticus, designated by siglum א [Aleph] or 01, δ 2, or Sinai Bible is a fourth century Christian manuscript of a Greek Bible, containing the majority of the Greek Old Testament, including the Apocrypha along with the deuterocanonical books, and the Greek New Testament, with both the Epistle of Barnabas and the Shepherd of Hermas included.
Wikipedia