CELTIC. Lower Danube. AR Tetradrachm, ca. 3rd-2nd Centuries B.C. NGC VF. Lanz-904; OTA-579. Imitating Philip III of Macedon. Obverse: Head of Herakles right, wearing lion skin; Reverse: Zeus seated left; two monograms in left field, Z below throne. Attractively toned and displaying high-relief details. Minor scratches are noted on the reverse fields.