From the Gemini IV Auction, Closed January 8, 2008. Lot # 458 US$275 

Gordian III, Muled antoninianus. AD 238-244. 

IMP GORDIANVS PIVS FEL AVG, radiate, draped and cuirassed bust right, seen from behind.
P M TR P II COS P P, Providentia standing left, holding globe and transverse sceptre. 

This coin should have IMP CAES M ANT GORDIANVS AVG, but this reverse die was erroneously coupled with IMP GORDIANVS PIVS FEL AVG. 

Apparently unpublished apart from this same coin in the Schulten and Triton sales 

Sold for $275 [ $316.25, 218.2125 EUR, 161.2875 GBP] 

With permission of Gemini Auctions, Freeman & Sear and Harlan J Berk