Gallienus Antoninianus. Rome mint, AD 254-255. 

IMP C P LIC GALLIENVS AVG, radiate cuirassed bust right.
IOVI CONSERVA, Jupiter standing left with thunderbolt (held 
vertically or horizontally) and sceptre. 

RIC 143 [joint reign], RSC 351; Sear 10237.

Contributed by ancientcoinart.com, April, 2002.
Price $40.