Watch List notes:

ACHAIA, Achaian League. Patrai. Circa 175-168 BC. Hemidrachm (Silver, 16 mm, 2.22 g, 1 h). Laureate head of Zeus to right. Rev. Monogram of the Achaian League; above, monogram of MA or MΩ (very faint); across field, Δ-Ι; below, trident-head to right; all within laurel wreath. Agrinion 272-7. BCD Peloponnesos 501.4. Benner 15. Clerk 185 corr. (Mantinea). Weakly struck on the obverse, otherwise, good very fine.