Silver antoninianus, 22mm, 3.48gm, issued AD 241-243 Rome mint.
Obv: IMP GORDIANVS PIVS FEL AVG, Radiate, draped, cuirassed bust right.
Rev: AETERNITATI AVG, Sol standing front, head left, raising right hand and holding globe.
References: Sear 8603, RIC 83, RSC 41.