Watch List notes:

Gallienus. AD 253-268. Ӕ Sestertius (28mm, 15.97 g, 12h). Rome mint. 1st issue, AD 253-254. IMP C P LIC GALLIENVS AVG, laureate and draped bust right / MAR[TI PAC]I[F], Mars walking left, holding olive branch, spear and shield; S C across field. MIR 36, 47bb; RIC V (joint reign) 225; Banti 34. Fine, green patina with red encrustation.

Ex London Ancient Coins 33 (28 February 2014), lot 280.