Watch List notes:

ACHAIA, Achaian League. Patrai. Circa 175-168 BC. Triobol or Hemidrachm (Silver, 15 mm, 2.57 g, 3 h). Laureate head of Zeus to right. Rev. Achaian League monogram between Δ-I; below, trident to right; all within laurel wreath tied below. Agrinion 278. BCD Peloponnesos 502. About extremely fine.