Diocletian, AE radiate fraction. Rome. 21 mm, 3.02 g.  

IMP CC VAL DIOCLETIANVS PF AVG, radiate and draped bust right, seen from the back.
VOT XX B in three lines within wreath.

RIC VI Rome 77a.

With permission of Bertolami Fine Arts ACR Auctions auction 59, Lot 1045, May 2018.