Watch List notes:

ACHAIA, Achaian League. Antigoneia (Mantineia). Circa 188-180 BC. Tetrobol (Silver, 16 mm, 2.31 g, 8 h). Laureate head of Zeus to right. Rev. Monogram of the Achaian League; across field, A-N; below, CΩ; all within laurel wreath. BCD Peloponnesos 1492.2. Benner 5. Clerk 197. The obverse struck slightly off-center, otherwise, extremely fine.