Ptolemy, Letter to Flora
c. 150–180 · Greek
Groups: Valentinians
Complete, but it survives only because Epiphanius copied it into the Panarion (33.3–7) in order to refute it. This is the only intact letter by a 2nd-century 'Gnostic' teacher.
Where the manuscripts are now
Manuscripts of Epiphanius' Panarion, various
e.g. Codex Vaticanus gr. 503 and Marcianus gr. 125 (Panarion tradition)
Sources
No open translation is linked. The status note says how the text is known.