[2] Formerly it was labelled at first by R (Griesbach and Scholz), then by Wb (Tischendorf), because letter R was reserved for Codex Nitriensis.
[3] It contains the Ammonian Sections numbers, without references to the Eusebian Canons (erased), and lectionary markings at the margin (for liturgical use).
[2] The Greek text of this codex is a representative of the Byzantine text-type.
In 1843 it was exposed to chemicals by Tischendorf, who collated its text.
[5][7] The codex now is located in the Biblioteca Nazionale (II C 15), in Naples.