Hadrian Billon Tetradrachm of Alexandria. Year 5 = 120-121 AD. 

Obv: AVT KAI TPAI ADPIA CEB, laureate, draped bust right, crescent to right 
Rev: L-E, Agathadaemon serpent erect, head right, wearing skhent and 
 supporting a winged caduceus in its fold. 

Milne 983

Contributed by Dane for Pete Clegg (biffabacon10), December, 2008.