Watch List notes:

ACHAIA, Achaian League. Megara. Circa 175-168 BC. Triobol or Hemidrachm (Silver, 15 mm, 2.39 g, 3 h). Laureate head of Zeus to right. Rev. Achaian League monogram between H and PO, with lyre above; all within laurel wreath. Agrinion 451. BCD Peloponnesos 27.3. Extremely fine.