In the case of the New Testament papyri manuscripts, our early evidence for the Greek New Testament, size is irrelevant. They range from centimeters encompassing a couple of verses to a codex with many books of the New Testament. But all of them add something significant.
The Scribe and Correctors of P66 (Papyrus 66)
P66 Papyrus 66 [150 C.E.] is of the Alexandrian text-type (more trusted). P66 comes to us by way of a professional scribe (practiced calligraphic hand, pagination numbers), a major corrector and a minor corrector.
PAPYRUS 66 (P66): One of the Earliest Available Papyri
Papyrus 66 (also referred to as P66) is a near-complete codex of the Gospel of John, and part of the collection known as the Bodmer Papyri.