Watch List notes:

WESTERN ASIA MINOR, Uncertain. 5th century BC. AR Hemiobol or Tetartemorion (7mm, 0.31 g, 6h). Crested helmet left, bowl ornamented with a serpent / Amphora within incuse square. Unpublished in the standard references, but see CNG E-369, lot 142. VF, toned, porous.