Maximianus, Potin Tetradrachm of Alexandria, Egypt. Dated year 4. 289-290 AD.

A KM A OV A MAXIMIANOC CEB, laureate, draped, cuirassed bust right.
Alexandria standing left, with radiant crown, holding the head of 
Serapis and sceptre; 

L-D across fields.

Milne 4904.
Contributed by Charlie Rudge, August 2012.