Nominally dated to the 7th century, the consensus is that it is not older than the 6th century. It contains Apocrypha, 4 Ezra, 2 Baruch, 3 and 4 Maccabees, and a part of Josephus on the Maccabees.
The text is generally believed to have been written in the 7th century, although some scholars think it may be even earlier, around the 6th century. It contains works such as Apocrypha, 4 Ezra, and 2 Baruch, as well as parts of Josephus' account of the Maccabees.