Phokis, Federal Coinage. ca 485-480 BC. AR hemiobol. 9 mm, 0.4 g.

FO, Bull’s head and neck right.
Corinthian helmet to right in incuse square.

BMC 61-63; BCD 198 (this coin); Williams 63.
Rare. 

With permission of Leu Numismatik AG Auction 19, Lot 525, Feb. 22.