Watch List notes:

The Robert P Ball Cabinet of Ancient Coins | Danubian Celts, 'Kinloss' Type, AR Tetradrachm, c. 200-100 BC, in the style of Philip II of Macedon, Central Carpathian Mint, Celticised diademed head of Zeus right, without chin, rev. Celticised horseman riding right, line with central pellet below, 7h (OTA 244; KMW 1142), well-centred with a mottled darker tone, very fine, and with a charming 'rustic' style.
Provenance
Bank Leu, by private treaty, 1969 - CHF450
Estimate: $150 - $250