Watch List notes:

PHOKIS, Federal Coinage. Circa 460-457 BC. Obol (Silver, 9 mm, 0.76 g, 12 h). Φ-Ο Bull's head facing. Rev. Forepart of boar to right; all within incuse square. Cf. BCD Lokris-Phokis 229. HGC 4, 1070 . Porosity, otherwise, very fine.