The oldest manuscript to contain Acts 13:9 is Papyrus 45, a manuscript dated to around 200 CE. Unfortunately, it's quite fragmentary, so the whole of verse 9 isn't extant. However, the following words are: [κ]αι Παυλος, πλησθεις ΠΝΣ αγιου, και ατενισας ε[ις] / [k]ai paulos, plestheis PNS hagiou, kai...