POxy 3929 (or P. Oxy.
LVIII 3929) is one of four examples of libelli found at Oxyrhynchus in Egypt.
It is a certificate of sacrifice, serving as proof that the recipient satisfied the pagan commissioners during the Decian persecution of Christians.
This article about an Oxyrhynchus papyrus written in Greek is a stub.
You can help Wikipedia by expanding it.