Postumus (260-269 A.D.) -  AR Antoninianus - 20.05mm, 2.98g
Obverse - IMP C POSTVMVS PF AVG
Postumus, his radiate, draped and cuirassed bust right
Reverse - IOVI VICTORI
Jupiter walking left, looking right,
holding thunderbolt and scepter.

Minted in Colonia Claudia Agrippina Augusta (Cologne, Germany) in 267-268 A.D.

Reference:  
Webb, P.H., "Roman Imperial Coinage", Volume 5, Part 2 (RIC), p362, nr 311C.
Sear, D.R., "Roman Coins and their Values" (RCV Millennium Edition), Vol. 3, p360, nr. 10955.
Cohen, H, "Descriptions Historique des Monnaies frappees sous l'Empire Romain" (C), Volume 6, p33, nr. 161.
Seaby, H.A. & Sear, D.R., "Roman Silver Coins" (RSC), Volume 4, p130, nr. 161a.
Van Meter, D., "Handbook of Roman Imperial Coins" (VM), p267, nr. 27.
Suarez, R., "Encyclopedia of Roman Imperial Coins" (ERIC II), p553, nr.152, no C A accross field (B29, O20, R079, T045, M1)
Kampmann, U., "Die Münzen der römischen Kaiserzeit", 2nd edition, (Kampmann) p333, nr. 98.36.

Quality: Fine+ / Very Fine -
Rarity: C