O: IMP PHILIPPVS AVG; Radiate and draped bust facing right.
R: SAECVLARES AVGG; Cippus inscribed COS / III.
Sear 2573, Van Meter 36, (3.15g, 23mm, 1h).
A nicely toned example of this popular reverse type. The green encrustation at 7 o'clock appears old and stable.