Caracalla, AE23 of Deultum, Thrace.

M AVREL ABTONINVS PIVS AV, radiate head right.
COL FL PAC DEVLT, Athena standing slightly left,
holding shield in right hand and with left
hand holding a slender, serpent-entwined tree.

Moushmov 3533; Varbanov 2061 (this coin).