Valerian II, Caesar 256–258 AD. Aureus 256/258, Rome. 3,87 g.

P C L VALERIANVS NOB CAES, bare-headed, draped, cuirassed bust right.
PRINCIPI IVVENTVTIS, Valerian II standing left, holding 
standard and inverted spear.  

RIC 11; Cohen 79 (under Saloninus); Calicó 3698 var. 
Extremely rare. 

Courtesy of Dane's bank: UBS Gold & Numismatics
Auction 78, lot 1882. Sept. 2008
Sold for 90, 000 Swiss francs, ca. $79,724