Vabalathus, AE Antoninianus, 3.49 g. Antioch mint. 

IM C VHABALATHVS AVG, radiate, draped, cuirassed bust right.
VIRTVS AVG, Virtus standing right, holding spear, shield at
his side, star in right field. Mintmark B.

Bland 16a (this coin); RIC 8 var (no mintmark): Goebl 358 var. (ditto)

With permission of Gorny & Mosch, March 2009
Estimate: 500 Euro.