Valerian II, AR Quinarius, 256-258 AD. 16mm. 1.53 gr. 

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

RIC 30.

With permission of Numismatica Ars Classica, NAC AG,
Auction 27, lot 477. Sold for 1,900 Swiss Francs, ca. $1,470.