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

IMP DIOCLETIANVS P 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 468a var (dot in reverse legend). 

With permission of Roma Numismatics, November, 2009