Watch List notes:

ACHAIA, Achaian League. Messene. Circa 175-168 BC. Hemidrachm (Silver, 15.5 mm, 2.47 g, 4 h). Laureate head of Zeus to right. Rev. Achaian League monogram; above, ΞΕ; to left, O; to right, P; below, M; all within laurel wreath. BCD Peloponnesos 722.6. Benner 25. Nice old collection toning. Very fine.
From the stock of an old Swiss dealer assembled mainly in the 1960s-1970s.