Salonina, AE antoninianus. Milan mint. Sole reign of Gallienus. AD 260-268. 

CORN SALONINA AVG, diademed, draped bust right on crescent.
AVG IN PACE, Salonina seated left, holding olive branch and 
sceptre. 

Mintmark MS. 

RIC V-1, 57 Milan var (mintmark): Dalheim hoard 12185.
Rare.