Festival: ___ in Alexandria?

Festival ID: 448
Festival Name:
Festival Place: Alexandria?
List of Participants:
Titus Flavius Archibios from Alexandria (Egypt)
Publius Aelius Heliodoros from Kalykadnos (Cilicia)
Titus Flavius Hermogenes (Hippos) son of Apollonios from Xanthos (Lycia)
Gaius Licinius Inventus from Smyrna (Ionia)
Comment: In I.Napoli 51 a festival in Alexandria is described as being a ἱερὸν πενταετηρικὸν ἀγῶνα