Valerian I. 253-260 AD. AV Aureus, 2.72g. Rome. 

Obv: IMP C P LIC VALERIANVS AVG, laureate, draped, cuirassed bust right.
Rev: IOVI CONSERVA, Jupiter standing left holding thunderbolt and 
sceptre. 

Goebl 25a; RIC 37; Cohen 82; Calico 3418.

With kind permission of Gemini VIII Heritage World Coin Auction, lot 415, Sold for $20,000, added Aug. 2011.