Lectionary 123, designated by siglum ℓ 123 (in the Gregory-Aland numbering) is a Greek manuscript of the New Testament, on parchment leaves.
[1] The codex contains lessons from the Gospels of John, Matthew, Luke lectionary (Evangelistarium) with some lacunae, on 197 parchment leaves (28.4 cm by 22.4 cm).
It is written in Greek uncial letters, in two columns per page, 11 lines per page,[1] in large letters.
[2] The manuscript is not cited in the critical editions of the Greek New Testament (UBS3).
[5] Currently the codex is located in the Vatican Library (Vat.