ACHAIA, Achaian League. Patrai. Circa 175-168 BC. Hemidrachm (Silver, 15 mm, 2.43 g, 12 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. Extremely fine.