Gallienus Augustus 253-268 AD Billon Antoninianus, RIC 440 Joint reign

21.2x22.4mm, 3.64g
Samosata mint, 255-256AD
IMP C P LIC GALLIENVS P F AVG
Radiate, draped, cuirassed bust right
/ IOVI CONSERVATORI
Gallienus, in military attire standing right resting on spear, receiving globe from Jupiter standing left, resting on sceptre, wreath in upper field.
Sear 10242, VF $20/EF $65
RSC 378 £14, RIC Joint reign 440, (C. 378, 379)
(Hunter p. xlviii.[Uncertain Syrian Mint, AD 258-60])
Göbl 1697Ab

Note: RIC 440 groups RSC 378, 379 together - "Emp. stg. r. holding spear or sceptre",