248-249 AD., Philip II, Rome mint, Sestertius, RIC 267a.

Philip II, Rome mint, struck circa 248-249 AD.,
Æ Sestertius (26-29 mm / 14,00 g),
Obv.:IMP M IVL PHILIPPVS AVG , laureate, draped, and cuirassed bust of Philip junior right, seen from behind.
Rev.: LIBERALITAS AVGG III / S C , Philip II and Philip I, laureate and togate, seated left on curule chairs, each extending right hand; Philip I holding baton in left hand (double strike).
RIC IV 267a ; Coh. 18 ; Pink III, pg. 34 ; Banti 1 ; Hunter 29 .

The reverse legend LIBERALITAS AVGG III indicates that this coin commemorates a distribution of imperial largess, and was issued sometime after the millenial anniversary of in 248 AD and the final departure of the imperial pair from Rome in 249 AD to battle Trajan Decius.