Watch List notes:

ACHAIA, Achaian League. Patrai. Circa 175-168 BC. Triobol or Hemidrachm (Silver, 14 mm, 2.27 g, 9 h). Laureate head of Zeus to right. Rev. Achaian League monogram; to left and right, Δ-I; below, trident to right; all within laurel wreath. BCD Peloponnesos 502. Benner 19. Very fine.