Phokis, Federal Coinage, c. 460-457 BC. AR Triobol or Hemidrachm (17,5mm, 2.5g). Facing head of bull. R/ Head of Artemis to right, Φ-O-K-I around; all within shallow incuse square. Williams 162 (O117/R99); BCD Lokris-Phokis 229.1; HGC 4, 1036.