and another (ep.pr. Sterrett, WE 216 n.345 [?PASCSA 3 1884-5] = MAMA VIII 399) that is not dated explicitly (Roman imperial).
The name Doxa goes way back.
There is a third instance, which may be second-century, and a fourth.
Also, the passive of φιλοκαλέω is reported (s.v. 5) from a sixth-century inscription.