19) is a fragment of the first book of the Histories of Herodotus (chapter 76), written in Greek.
It was discovered by Grenfell and Hunt in 1897 in Oxyrhynchus.
It is housed in Princeton University Library (Curator of Manuscripts).
The text is written in small square uncial script.
Oxyrhynchus Papyri I. London: Egypt Exploration Fund.