Audoleon-type Celtic silver tetradrachma

Audoleon-type Celtic silver tetradrachm. 2nd century BC, Eastern Celts, Danube region. An imitation of a coin of King Audoleon of Paeonia. Obverse: portrait of Zeus facing right with a laurel wreath. Reverse: A male figure sitting on a horse. AVΔOΛEON-TOΣ. Weight: 12.76 grams. 25 x 23 mm. Good VF