Hostilian as Caesar (250-251 A.D.) -  AE Sestertius - 29mm, 15.22g
Obverse - C VALENS HOTIL MES QVINTVS N C Hostilian, his bare-headed and draped bust right.	Reverse - PRINC IVVENT, S C below in exergue. Apollo seated left, holding branch, and resting elbow on lyre.
The image below was photographed by Mark Lehman. The image above is my own scan.
Minted in Rome in 251 A.D. Note the spelling error in the obverse legend HOTIL in stead of HOSTIL. Reference: Mattingley, Sydenham, & Sutherland, "Roman Imperial Coinage", Volume 4, Part 3 (RIC), p149, nr. 214 var. (under Decius) Sear, D.R., "Roman Coins and their Values" (RCV Millennium Edition), Vol. 3, p223, nr. 9573 var. obverse legend. Sear, D.R., "Roman Coins and their Values" (RCV 4th Revised Edition), p250, nr. 2764 var. reverse legend. Cohen, H, "Descriptions Historique des Monnaies frappees sous l'Empire Romain" (C), Volume 5, p227, nr. 27. Suarez, R., "Encyclopedia of Roman Imperial Coins II" (ERIC II),  p473, nr 103  (B2, O13, R13, T2, M2) Suarez, R., "Encyclopedia of Roman Imperial Coins II" (ERIC II-digital),  p396, nr 103  (B2, O13, R13, T2, M2) Van Meter, D., "Handbook of Roman Imperial Coins" (VM), p235, nr 26/2 var. Quality:  Good+/Fine- Rarity: R1 (see RIC IV, Part 3, note p149 - obverse spelling error noted as a rare variant known from a specimen in Paris)