Gallienus (253-268 A.D.) -  AE Antoninianus - 19.79x20.38mm, 2.28gr
Obverse - GALLIENVS AVG Gallienus, his radiate head right	Reverse - NEPTVNO CONS AVG N in exergue. Hippocamp advancing right.
Minted at officina N in Rome in 267 or 268 A.D. Reference: Webb, P.H., "Roman Imperial Coinage", Volume 5, Part 1 (RIC), p152, nr. 245k (under Sole reign of Gallienus) Sear, D.R., "Roman Coins and their Values" (RCV Millennium Edition), Vol. 3, p296, nr. 10292 Cohen, H, "Descriptions Historique des Monnaies frappees sous l'Empire Romain" (C), p407, nr. 667 Seaby, H.A., "Roman Silver Coins" (RSC), Volume 4, p85, nr. 667. Van Meter, David, "Handbook of Roman Imperial Coins", p247, nr 178/1. Suarez, R., "Encyclopedia of Roman Imperial Coins" (ERIC),  p300, nr. 49 (B23, O09, R202, T116, M5) Quality: Fine+