Diocletian, AE Antoninianus, Tripolis, 284 AD. 4.01 g.

IMP CC VAL DIOCLETIANVS PF AVG, radiate, draped, cuirassed bust right.
IOVI CONSERVATORI AVG, Victory walking right, holding palm, 
presenting wreath to emperor, standing left, holding globe and sceptre.

TR in lower centre.
Mintmark XXI

RIC V-2 330.
Rare.

With permission of Baldwin's Auctions, Nov. 2008.