The Codex Sangallensis 63, designated by S in some critical editions of the Bible, is a 9th-century Latin manuscript of the New Testament.
[1] The original manuscript did not contain the Comma Johanneum (in 1 John 5:7), but it was added by a later hand on the bottom margin (see picture).
[2] Codex Sangallensis contains 160 leaves (320 pages) arranged in quarto, in one thick volume.
[5][6] The original codex did not contain the Comma Johanneum (in 1 John 5:7), but it was added by a later hand on the margin (see picture).
[3] Currently the manuscript is housed at the Abbey library of Saint Gall (63) in St.