Phokis, Federal Coinage. AR Triobol or Hemidrachm, ca 449-447 BC. 14 mm, 3 g. 

Bull's head facing. 
Φ-O-K-I, diademed head of Artemis right, her hair in a krobylos.

Williams 214; BCD 242 (this coin); SNG Delepierre 1278.
Rare. 

Ex BCD Collection, NAC 55, lot 242, Oct. 2010

With permission of Nomos AG - Auction 24, Lot 93, May 2022.