British Library, Add MS 12150 is the second oldest extant Syriac manuscript[1] and the oldest codex bearing a date in any language.
[2] According to the original partially damaged colophon, the manuscript was copied in Edessa in the year 723 of the Seleucid era, that is, AD 411.
[4] It was among the manuscripts sent to Britain from Deir al-Suryani by Paul de Lagarde in 1838 and 1843.
[1] The codex is currently housed at the British Library, catalogued as number 12150 in the additional manuscripts collection.
[5] The codex contains text of Pseudo-Clement's Recognitiones; Titus of Bostra's Four Discources Against the Manichaeans; Eusebius of Caesarea's On the Theophany, On the Confessors of Palestine and Eulogy of the Confessors' Virtue; and an anonymous martyrology.