Diocletian AE Follis. 300-301 AD. Trier. 

IMP DIOCLETIANVS PF AVG, laureate head 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 in ex. 
RIC VI Trier 461, rated common

With permission of Roma Numismatics, August, 2009