Crispus AE3. 317-318 AD.
 
obv: F L IVL CRISPVS NOB CAES, laureate, draped & cuirassed bust right 
rev: CLARITAS REIPVBLICAE, Sol, radiate, standing left with raised hand, 
      chlamys &  orb, F left, T right, BTR in ex. 

Rated R2 in RIC.

Contributed by Tony Woodley.