Trebonianus Gallus, AE As, 24mm, 8.45 gr. 251-252 AD. 

IMP CAE C VIB TREB GALLVS AVG, laureate, draped, cuirassed bust right.
APOLLO SALVTARI, S-C, Apollo, naked, standing left, holding
branch and resting hand on lyre set on a rock. 

RIC 104b; Cohen 22.

Very scarce.

Contributed by Dr. Hubert Lanz, auction November 2000, 
Added July 2011.