Philip I, AR denarius, 21mm, 2.59 gr. 244-245 AD. 

IMP M IVL PHILIPPVS AVG, laureate, draped, cuirassed bust right.
PIETAS AVGG, bare-headed and draped bust of Philipp II right, 
facing diademed and draped bust of Otacilia Severa left. 

RIC 43a; RSC 5.

Extremely rare.
Note: RIC describes Philip II as draped and cuirassed, perhaps in
error.

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