Diocletian, AE Posthumous Follis. 300-301 AD. Trier. 

IMP DIOCLETIANVS PF AVG, laureate, cuirassed bust right
M dot SACRA AVGG ET CAESS NN, Moneta standing left, 
holding scales in right hand and cornucopiae in left, 
star in right field, mintmark BTR. 

RIC VI Trier 462a.

With permission of Roma Numismatics, October, 2009