The manuscript is written on parchment in an elegant hand of the "Severe" type. Unfortunately, only six, partial lines have been preserved (3 lines on hair, 3 lines on flesh), and the flesh side is particularly sparse. Henry collates the text with the critical edition of D. Minns and P. Parvis (2009). For interested readers, I reproduce Henry's transcription of the text of P.Oxy. 5129 below, alongside my own translation (with brackets signifying reconstructions), which is followed by a snapshot of the hair side of the fragment.
Hair (1 Apol. 50.12)
π̣ρο̣φ̣ητειαι̣[ς ε]ν̣ α[ις παντα ταυτα]
προειρητο γενησ[ομενα πιστευ-]
σαντες και δυναμ̣[ιν]
"...the prophecies in [which all these things] foretold as coming to pass, having [believed] and [received] power..."
Flesh (1 Apol. 51.4-5)
] δ[ικαιο]ν̣ ε̣υ̣ δ̣[ουλευ-]
[οντα πολλοις] κ̣α̣ι̣ τ̣α̣ς̣ αμαρτιας̣ υ-
[μων αυτος ανο]ι̣σει δια τουτο αυτος
"...the [righteous] who kindly [serve
many]. And he [himself] will [bear] your sins.
On account of this, he..."