Diocletian. AE Follis. 298-299 AD. Trier. 

IMP DIOCLETIANVS PF AVG, laureate head right
FORTVNAE REDVCI CAESS NN, Fortuna standing left holding 
rudder over globe, and cornucopiae. 

B-Star across fields. 
Mintmark TR. 

RIC VI Trier 251. Scarce. 

With permission of Roma Numismatics, October, 2009