@Roman Collector : Interesting write-up and nice examples. Here's a couple more associated with the Pythian Festival Phrygia Hierapolis Pseudo-autonomous issue; Early-mid 3rd century AD: Obv: Head of the Senate right Rev: Legend around laurel wreath; ΠYΘIA in three lines inside wreath Caracalla Ae Tetrassarion, Philippopolis Thrace : Issued in honor of the Alexandrian Pythian games of 215 Obv: Laureate head of Caracalla to right Rev: Zeus Nikephoros seated to left on throne, holding Nike in his right hand and staff with his left ; ΠYΘIA across fields