Balbinus Denarius. Rome, April - June 238 AD. 21mm. Obv: IMP C D CAEL BALBINVS AVG, laureate, draped and cuirassed bust right. Rev: IOVI CONSERVATORI, Jupiter standing left, holding thunderbolt and sceptre. Contributed by Dr. Hubert Lanz, auction November 2000, Added July 2011.