Watch List notes:

ACHAIA, Achaian League. Argos. Circa 175-168 BC. Triobol or Hemidrachm (Silver, 15 mm, 2.48 g, 6 h). Laureate head of Zeus to left. Rev. Achaian League monogram; above, harpa; below, monogram; all within laurel wreath. BCD Peloponnesos 1135. Benner 9. Flan crack and struck slightly off center, otherwise, good very fine.