From the Gemini IV Auction, Closed January 8, 2008.
 Lot # 459 - 
Realized: US$240 

Gordian III, (238-244 AD). AR antoninianus. Antioch, AD 239-240 AD. 

IMP GORDIANVS PIVS FEL AVG, radiate draped bust right.
PAX AVGVSTI, Pax standing left holding branch and sceptre. 

RIC 215; RSC 178. 

This is apparently the only specimen of this mule known today; Cohen 178 = RIC 215 cited a specimen in a French 
private collection, present whereabouts unknown. 

With permission of: Freeman & Sear and Harlan J Berk