Aemilian AR Antonininus. 253 AD. 

obv: IMP CAES AEMILIANVS PF AVG, radiate draped bust right 
rev: IOVI CONSERVAT, Jupiter standing left, holding thunderbolt and
sceptre, small figure of emperor at foot left. 

RIC 14; Sear5 9834; RSC 17.

With permission of CNG, www.cngcoins.com.