ACHAIA, Achaian League. Megara. Circa 175-168 BC. Tetrobol (Silver, 15 mm, 2.45 g, 6 h). Laureate head of Zeus to right. Rev. Monogram of the Achaian League; across field, H - PO; above, kithara; all within laurel wreath. Agrinion 450-62. BCD Peloponnesos 27.3. Benner 5. Clerk 4. Struck from a deteriorated obverse die, die rust on the reverse, otherwise, about extremely fine.