Watch List notes:

Philip II, as Caesar (Philip I, 244-249), Dupondius or As, Rome, AD 244-246; AE (g 9,74; mm 24; h 6); M IVL PHILIPPVS CAES, draped bust r., Rv. PRINCIPI IVVENTVTIS, Philip II standing l., holding spear and standard; in field, S - C. RIC 258b; C 63.
Rare, green patina, about extremely fine.