Diocletian Billon Tetradrachm, Egypt, Alexandria. Year 3.

Obv: A K GOYA DIOKLHTIANOC CEB, laureate cuirassed bust right 
Rev: ETOVC to left, Gamma in right field. Tyche standing left holding rudder and cornucopiae, star at upper left.

Milne 4843

With permission of Pegasi Numismatics Auction 140, lot 252. August 2011.