Valerian II, Caesar (256-258 A.D.) -  Billon Antoninianus - 21.47 x 22.17mm, 2.81gr
Obverse - VALERIANVS CAES Valerian II, his radiate and draped bust right.	Reverse - IOVI CRESCENTI Young Jupiter riding goat Amalthea right, head left, raising hands.
The image below was photographed by Agora Auctions. The image above is my own scan.
Minted in Colonia Claudia Agrippina Augusta (Cologne, Germany) or Lugdunum (Lyon, France) 257-258 A.D. Reference: Webb, P.H., "Roman Imperial Coinage", Volume 5, Part 1 (RIC), p116, nr. 3. Sear, D.R., "Roman Coins and their Values" (RCV Millennium Edition), Vol. 3, p335, nr. 10731. Cohen, H, "Descriptions Historique des Monnaies frappees sous l'Empire Romain" (C), Volume 5, p520, nr. 26 (under Salonin). Seaby, H.A. & Sear, D.R., "Roman Silver Coins" (RSC), Volume 4, p118, nr. 26. Van Meter, D., "Handbook of Roman Imperial Coins" (VM), p252, nr 5. Suarez, R., "Encyclopedia of Roman Imperial Coins II" (ERIC II),  p503, nr.32 (B6, O11, R4, T7, M2) Kampmann, U., "Die Münzen der römischen Kaiserzeit", 2nd edition, (Kampmann) p325, nr. 92.2. Quality: about Fine Rarity: Common Ex Dave Surber collection.